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    263 Products

    Ultra-Chemical-Resistant PTFE Backup Rings

    Image of Product. Front orientation. Backup Rings. Ultra-Chemical-Resistant PTFE Backup Rings.
    Image of Attribute. Front orientation. CrossSection view. Contains Annotated. Ultra-Chemical-Resistant PTFE Backup Rings.
    These PTFE backup rings resist harsh chemicals, such as acetone, fluorinated solvents, methanol, and many acids. Use them to extend the life of your O-rings and improve their performance in high-pressure applications.
    For Dash
    No.
    Thk.
    ID
    OD
    Hardness
    Temp. Range,
    ° F
    Color
    Pkg.
    Qty.
    Pkg.
    0.053" Wide
    005
    0.049"0.124"0.230"Durometer 55D (Hard)-300 to 500White500000000000000
    006
    0.049"0.140"0.246"Durometer 55D (Hard)-300 to 500White50000000000000
    007
    0.049"0.171"0.277"Durometer 55D (Hard)-300 to 500White50000000000000
    008
    0.049"0.202"0.308"Durometer 55D (Hard)-300 to 500White50000000000000
    009
    0.049"0.234"0.340"Durometer 55D (Hard)-300 to 500White50000000000000
    010
    0.049"0.265"0.371"Durometer 55D (Hard)-300 to 500White50000000000000
    011
    0.049"0.327"0.433"Durometer 55D (Hard)-300 to 500White50000000000000
    012
    0.049"0.390"0.496"Durometer 55D (Hard)-300 to 500White50000000000000
    013
    0.049"0.455"0.561"Durometer 55D (Hard)-300 to 500White50000000000000
    014
    0.049"0.518"0.624"Durometer 55D (Hard)-300 to 500White50000000000000
    015
    0.049"0.580"0.686"Durometer 55D (Hard)-300 to 500White50000000000000
    016
    0.049"0.643"0.749"Durometer 55D (Hard)-300 to 500White50000000000000
    017
    0.049"0.705"0.811"Durometer 55D (Hard)-300 to 500White50000000000000
    018
    0.049"0.768"0.874"Durometer 55D (Hard)-300 to 500White50000000000000
    019
    0.049"0.801"0.907"Durometer 55D (Hard)-300 to 500White500000000000000
    020
    0.049"0.864"0.970"Durometer 55D (Hard)-300 to 500White500000000000000
    021
    0.049"0.926"1.032"Durometer 55D (Hard)-300 to 500White500000000000000
    022
    0.049"0.989"1.095"Durometer 55D (Hard)-300 to 500White500000000000000
    024
    0.049"1.114"1.220"Durometer 55D (Hard)-300 to 500White250000000000000
    025
    0.049"1.176"1.282"Durometer 55D (Hard)-300 to 500White250000000000000
    026
    0.049"1.239"1.345"Durometer 55D (Hard)-300 to 500White250000000000000
    028
    0.049"1.364"1.470"Durometer 55D (Hard)-300 to 500White250000000000000
    029
    0.049"1.489"1.595"Durometer 55D (Hard)-300 to 500White250000000000000
    031
    0.049"1.739"1.845"Durometer 55D (Hard)-300 to 500White100000000000000
     
    0.086" Wide
    109
    0.049"0.299"0.471"Durometer 55D (Hard)-300 to 500White500000000000000
    110
    0.049"0.390"0.562"Durometer 55D (Hard)-300 to 500White50000000000000
    111
    0.049"0.452"0.624"Durometer 55D (Hard)-300 to 500White50000000000000
    112
    0.049"0.515"0.687"Durometer 55D (Hard)-300 to 500White50000000000000
    113
    0.049"0.577"0.749"Durometer 55D (Hard)-300 to 500White50000000000000
    114
    0.049"0.640"0.812"Durometer 55D (Hard)-300 to 500White50000000000000
    115
    0.049"0.702"0.874"Durometer 55D (Hard)-300 to 500White50000000000000
    116
    0.049"0.765"0.937"Durometer 55D (Hard)-300 to 500White50000000000000
    117
    0.049"0.832"1.004"Durometer 55D (Hard)-300 to 500White25000000000000
    118
    0.049"0.895"1.067"Durometer 55D (Hard)-300 to 500White50000000000000
    119
    0.049"0.957"1.129"Durometer 55D (Hard)-300 to 500White25000000000000
    120
    0.049"1.020"1.192"Durometer 55D (Hard)-300 to 500White25000000000000
    121
    0.049"1.082"1.254"Durometer 55D (Hard)-300 to 500White25000000000000
    124
    0.049"1.237"1.409"Durometer 55D (Hard)-300 to 500White250000000000000
    125
    0.049"1.299"1.471"Durometer 55D (Hard)-300 to 500White250000000000000
    126
    0.049"1.362"1.534"Durometer 55D (Hard)-300 to 500White250000000000000
    128
    0.049"1.487"1.659"Durometer 55D (Hard)-300 to 500White250000000000000
    130
    0.049"1.612"1.784"Durometer 55D (Hard)-300 to 500White100000000000000
    133
    0.049"1.834"2.006"Durometer 55D (Hard)-300 to 500White100000000000000
    134
    0.049"1.862"2.034"Durometer 55D (Hard)-300 to 500White100000000000000
    137
    0.049"2.050"2.222"Durometer 55D (Hard)-300 to 500White50000000000000
    141
    0.049"2.300"2.472"Durometer 55D (Hard)-300 to 500White5000000000000
    152
    0.049"3.237"3.409"Durometer 55D (Hard)-300 to 500White50000000000000
    158
    0.049"4.737"4.909"Durometer 55D (Hard)-300 to 500White10000000000000
     
    0.119" Wide
    208
    0.049"0.609"0.847"Durometer 55D (Hard)-300 to 500White500000000000000
    210
    0.049"0.766"1.004"Durometer 55D (Hard)-300 to 500White50000000000000
    211
    0.049"0.828"1.066"Durometer 55D (Hard)-300 to 500White50000000000000
    212
    0.049"0.891"1.129"Durometer 55D (Hard)-300 to 500White50000000000000
    213
    0.049"0.953"1.191"Durometer 55D (Hard)-300 to 500White50000000000000
    214
    0.049"1.016"1.254"Durometer 55D (Hard)-300 to 500White50000000000000
    215
    0.049"1.078"1.316"Durometer 55D (Hard)-300 to 500White25000000000000
    216
    0.049"1.141"1.379"Durometer 55D (Hard)-300 to 500White25000000000000
    217
    0.049"1.203"1.441"Durometer 55D (Hard)-300 to 500White25000000000000
    218
    0.049"1.266"1.504"Durometer 55D (Hard)-300 to 500White25000000000000
    219
    0.049"1.334"1.572"Durometer 55D (Hard)-300 to 500White25000000000000
    220
    0.049"1.359"1.597"Durometer 55D (Hard)-300 to 500White250000000000000
    222
    0.049"1.522"1.760"Durometer 55D (Hard)-300 to 500White25000000000000
    223
    0.049"1.609"1.847"Durometer 55D (Hard)-300 to 500White250000000000000
    224
    0.049"1.734"1.972"Durometer 55D (Hard)-300 to 500White250000000000000
    225
    0.049"1.859"2.097"Durometer 55D (Hard)-300 to 500White100000000000000
    226
    0.049"1.984"2.222"Durometer 55D (Hard)-300 to 500White100000000000000
    227
    0.049"2.109"2.347"Durometer 55D (Hard)-300 to 500White100000000000000
    228
    0.049"2.234"2.472"Durometer 55D (Hard)-300 to 500White10000000000000
    229
    0.049"2.359"2.597"Durometer 55D (Hard)-300 to 500White100000000000000
    230
    0.049"2.484"2.722"Durometer 55D (Hard)-300 to 500White100000000000000
    231
    0.049"2.609"2.847"Durometer 55D (Hard)-300 to 500White100000000000000
    232
    0.049"2.734"2.972"Durometer 55D (Hard)-300 to 500White50000000000000
    233
    0.049"2.859"3.097"Durometer 55D (Hard)-300 to 500White50000000000000
    234
    0.049"2.984"3.222"Durometer 55D (Hard)-300 to 500White50000000000000
    235
    0.049"3.109"3.347"Durometer 55D (Hard)-300 to 500White50000000000000
    236
    0.049"3.234"3.472"Durometer 55D (Hard)-300 to 500White50000000000000
    237
    0.049"3.359"3.597"Durometer 55D (Hard)-300 to 500White50000000000000
    238
    0.049"3.484"3.722"Durometer 55D (Hard)-300 to 500White5000000000000
    239
    0.049"3.609"3.847"Durometer 55D (Hard)-300 to 500White50000000000000
    240
    0.049"3.734"3.972"Durometer 55D (Hard)-300 to 500White50000000000000
    241
    0.049"3.859"4.097"Durometer 55D (Hard)-300 to 500White50000000000000
    242
    0.049"3.984"4.222"Durometer 55D (Hard)-300 to 500White50000000000000
    243
    0.049"4.109"4.347"Durometer 55D (Hard)-300 to 500White50000000000000
    244
    0.049"4.234"4.472"Durometer 55D (Hard)-300 to 500White50000000000000
    245
    0.049"4.359"4.597"Durometer 55D (Hard)-300 to 500White50000000000000
    246
    0.049"4.484"4.722"Durometer 55D (Hard)-300 to 500White50000000000000
    248
    0.049"4.734"4.972"Durometer 55D (Hard)-300 to 500White50000000000000
    249
    0.049"4.859"5.097"Durometer 55D (Hard)-300 to 500White1000000000000
    250
    0.049"4.984"5.222"Durometer 55D (Hard)-300 to 500White1000000000000
    252
    0.049"5.234"5.472"Durometer 55D (Hard)-300 to 500White10000000000000
    254
    0.049"5.484"5.722"Durometer 55D (Hard)-300 to 500White1000000000000
    255
    0.049"5.609"5.847"Durometer 55D (Hard)-300 to 500White10000000000000
    256
    0.049"5.734"5.972"Durometer 55D (Hard)-300 to 500White10000000000000
    257
    0.049"5.859"6.097"Durometer 55D (Hard)-300 to 500White10000000000000
    258
    0.049"5.984"6.222"Durometer 55D (Hard)-300 to 500White1000000000000
    261
    0.049"6.734"6.972"Durometer 55D (Hard)-300 to 500White10000000000000
    265
    0.049"7.734"7.972"Durometer 55D (Hard)-300 to 500White1000000000000
     
    0.183" Wide
    325
    0.07"1.475"1.841"Durometer 55D (Hard)-300 to 500White100000000000000
    326
    0.07"1.600"1.966"Durometer 55D (Hard)-300 to 500White100000000000000
    328
    0.07"1.888"2.254"Durometer 55D (Hard)-300 to 500White10000000000000
    329
    0.07"2.013"2.379"Durometer 55D (Hard)-300 to 500White10000000000000
    330
    0.07"2.138"2.504"Durometer 55D (Hard)-300 to 500White10000000000000
    333
    0.07"2.475"2.841"Durometer 55D (Hard)-300 to 500White100000000000000
    334
    0.07"2.600"2.966"Durometer 55D (Hard)-300 to 500White50000000000000
    337
    0.07"2.975"3.341"Durometer 55D (Hard)-300 to 500White50000000000000
    338
    0.07"3.100"3.466"Durometer 55D (Hard)-300 to 500White50000000000000
    339
    0.07"3.225"3.591"Durometer 55D (Hard)-300 to 500White50000000000000
    340
    0.07"3.350"3.716"Durometer 55D (Hard)-300 to 500White50000000000000
    341
    0.07"3.475"3.841"Durometer 55D (Hard)-300 to 500White50000000000000
    342
    0.07"3.600"3.966"Durometer 55D (Hard)-300 to 500White5000000000000
    344
    0.07"3.850"4.216"Durometer 55D (Hard)-300 to 500White50000000000000
    345
    0.07"3.975"4.341"Durometer 55D (Hard)-300 to 500White50000000000000
    346
    0.07"4.100"4.466"Durometer 55D (Hard)-300 to 500White50000000000000
    349
    0.07"4.475"4.841"Durometer 55D (Hard)-300 to 500White50000000000000
    358
    0.07"5.600"5.966"Durometer 55D (Hard)-300 to 500White10000000000000
     
    0.236" Wide
    426
    0.108"4.600"5.072"Durometer 55D (Hard)-300 to 500White10000000000000
    429
    0.108"4.975"5.447"Durometer 55D (Hard)-300 to 500White10000000000000
    433
    0.108"5.475"5.947"Durometer 55D (Hard)-300 to 500White10000000000000
    439
    0.108"6.475"6.947"Durometer 55D (Hard)-300 to 500White10000000000000
    443
    0.108"7.475"7.947"Durometer 55D (Hard)-300 to 500White1000000000000
    446
    0.108"8.475"8.947"Durometer 55D (Hard)-300 to 500White10000000000000
    452
    0.108"11.475"11.947"Durometer 55D (Hard)-300 to 500White10000000000000
     

    Oil-Resistant Buna-N Backup Rings

    Image of Product. Front orientation. Backup Rings. Oil-Resistant Buna-N Backup Rings.
    Image of Attribute. Front orientation. CrossSection view. Contains Annotated. Oil-Resistant Buna-N Backup Rings.
    Made of Buna-N, these backup rings resist grease, petroleum fluids, and motor oil. Use them to extend the life of your O-rings and improve their performance in high-pressure applications.
    For Dash
    No.
    Thk.
    ID
    OD
    Hardness
    Temp. Range,
    ° F
    Color
    Pkg.
    Qty.
    Pkg.
    0.053" Wide
    004
    0.049"0.096"0.202"Durometer 90A (Hard)-40 to 250Black100000000000000
    005
    0.049"0.127"0.233"Durometer 90A (Hard)-40 to 250Black100000000000000
    006
    0.049"0.140"0.246"Durometer 90A (Hard)-40 to 250Black100000000000000
    007
    0.049"0.171"0.277"Durometer 90A (Hard)-40 to 250Black100000000000000
    008
    0.049"0.202"0.308"Durometer 90A (Hard)-40 to 250Black100000000000000
    009
    0.049"0.234"0.340"Durometer 90A (Hard)-40 to 250Black100000000000000
    010
    0.049"0.265"0.371"Durometer 90A (Hard)-40 to 250Black100000000000000
    011
    0.049"0.327"0.433"Durometer 90A (Hard)-40 to 250Black100000000000000
    012
    0.049"0.390"0.496"Durometer 90A (Hard)-40 to 250Black100000000000000
    013
    0.049"0.455"0.561"Durometer 90A (Hard)-40 to 250Black100000000000000
    014
    0.049"0.518"0.624"Durometer 90A (Hard)-40 to 250Black10000000000000
    015
    0.049"0.580"0.686"Durometer 90A (Hard)-40 to 250Black100000000000000
    016
    0.049"0.643"0.749"Durometer 90A (Hard)-40 to 250Black100000000000000
    017
    0.049"0.705"0.811"Durometer 90A (Hard)-40 to 250Black100000000000000
    018
    0.049"0.768"0.874"Durometer 90A (Hard)-40 to 250Black100000000000000
    019
    0.049"0.830"0.936"Durometer 90A (Hard)-40 to 250Black100000000000000
    020
    0.049"0.893"0.999"Durometer 90A (Hard)-40 to 250Black100000000000000
    021
    0.049"0.955"1.061"Durometer 90A (Hard)-40 to 250Black100000000000000
    022
    0.049"1.018"1.124"Durometer 90A (Hard)-40 to 250Black100000000000000
    024
    0.049"1.143"1.249"Durometer 90A (Hard)-40 to 250Black10000000000000
    025
    0.049"1.205"1.311"Durometer 90A (Hard)-40 to 250Black100000000000000
    026
    0.049"1.268"1.374"Durometer 90A (Hard)-40 to 250Black100000000000000
    028
    0.049"1.393"1.499"Durometer 90A (Hard)-40 to 250Black100000000000000
    029
    0.049"1.518"1.624"Durometer 90A (Hard)-40 to 250Black100000000000000
    031
    0.049"1.768"1.874"Durometer 90A (Hard)-40 to 250Black1000000000000000
    042
    0.049"3.268"3.374"Durometer 90A (Hard)-40 to 250Black500000000000000
     
    0.086" Wide
    103
    0.053"0.109"0.281"Durometer 90A (Hard)-40 to 250Black100000000000000
    109
    0.053"0.327"0.499"Durometer 90A (Hard)-40 to 250Black100000000000000
    110
    0.053"0.390"0.562"Durometer 90A (Hard)-40 to 250Black100000000000000
    111
    0.053"0.452"0.624"Durometer 90A (Hard)-40 to 250Black100000000000000
    112
    0.053"0.515"0.687"Durometer 90A (Hard)-40 to 250Black100000000000000
    113
    0.053"0.577"0.749"Durometer 90A (Hard)-40 to 250Black100000000000000
    114
    0.053"0.640"0.812"Durometer 90A (Hard)-40 to 250Black100000000000000
    115
    0.053"0.702"0.874"Durometer 90A (Hard)-40 to 250Black10000000000000
    116
    0.053"0.765"0.937"Durometer 90A (Hard)-40 to 250Black100000000000000
    117
    0.053"0.831"1.003"Durometer 90A (Hard)-40 to 250Black100000000000000
    118
    0.053"0.893"1.065"Durometer 90A (Hard)-40 to 250Black100000000000000
    119
    0.053"0.956"1.128"Durometer 90A (Hard)-40 to 250Black100000000000000
    120
    0.053"1.018"1.190"Durometer 90A (Hard)-40 to 250Black100000000000000
    121
    0.053"1.081"1.253"Durometer 90A (Hard)-40 to 250Black100000000000000
    124
    0.053"1.268"1.440"Durometer 90A (Hard)-40 to 250Black100000000000000
    125
    0.053"1.331"1.503"Durometer 90A (Hard)-40 to 250Black10000000000000
    126
    0.053"1.393"1.565"Durometer 90A (Hard)-40 to 250Black100000000000000
    128
    0.053"1.518"1.690"Durometer 90A (Hard)-40 to 250Black1000000000000000
    130
    0.053"1.643"1.815"Durometer 90A (Hard)-40 to 250Black1000000000000000
    131
    0.053"1.706"1.878"Durometer 90A (Hard)-40 to 250Black1000000000000000
    132
    0.053"1.768"1.940"Durometer 90A (Hard)-40 to 250Black1000000000000000
    134
    0.053"1.893"2.065"Durometer 90A (Hard)-40 to 250Black1000000000000000
    135
    0.053"1.956"2.128"Durometer 90A (Hard)-40 to 250Black100000000000000
    136
    0.053"2.018"2.190"Durometer 90A (Hard)-40 to 250Black50000000000000
    137
    0.053"2.081"2.253"Durometer 90A (Hard)-40 to 250Black50000000000000
    141
    0.053"2.331"2.503"Durometer 90A (Hard)-40 to 250Black500000000000000
    152
    0.053"3.268"3.440"Durometer 90A (Hard)-40 to 250Black25000000000000
    154
    0.053"3.768"3.940"Durometer 90A (Hard)-40 to 250Black10000000000000
    155
    0.053"4.018"4.190"Durometer 90A (Hard)-40 to 250Black1000000000000
    158
    0.053"4.768"4.940"Durometer 90A (Hard)-40 to 250Black10000000000000
     
    0.118" Wide
    202
    0.05"0.265"0.501"Durometer 90A (Hard)-40 to 250Black100000000000000
    203
    0.05"0.327"0.563"Durometer 90A (Hard)-40 to 250Black100000000000000
    204
    0.05"0.390"0.626"Durometer 90A (Hard)-40 to 250Black100000000000000
    206
    0.05"0.518"0.754"Durometer 90A (Hard)-40 to 250Black100000000000000
    207
    0.05"0.580"0.816"Durometer 90A (Hard)-40 to 250Black10000000000000
    208
    0.05"0.643"0.879"Durometer 90A (Hard)-40 to 250Black100000000000000
    210
    0.05"0.766"1.002"Durometer 90A (Hard)-40 to 250Black100000000000000
    211
    0.05"0.828"1.064"Durometer 90A (Hard)-40 to 250Black100000000000000
    212
    0.05"0.891"1.127"Durometer 90A (Hard)-40 to 250Black100000000000000
    214
    0.05"1.016"1.252"Durometer 90A (Hard)-40 to 250Black100000000000000
    216
    0.05"1.141"1.377"Durometer 90A (Hard)-40 to 250Black100000000000000
    217
    0.05"1.203"1.439"Durometer 90A (Hard)-40 to 250Black10000000000000
    218
    0.05"1.266"1.502"Durometer 90A (Hard)-40 to 250Black1000000000000000
    220
    0.05"1.397"1.633"Durometer 90A (Hard)-40 to 250Black50000000000000
    222
    0.05"1.522"1.758"Durometer 90A (Hard)-40 to 250Black50000000000000
    223
    0.05"1.647"1.833"Durometer 90A (Hard)-40 to 250Black50000000000000
    224
    0.05"1.772"2.008"Durometer 90A (Hard)-40 to 250Black50000000000000
    225
    0.05"1.897"2.133"Durometer 90A (Hard)-40 to 250Black50000000000000
    226
    0.05"2.022"2.258"Durometer 90A (Hard)-40 to 250Black50000000000000
    227
    0.05"2.147"2.383"Durometer 90A (Hard)-40 to 250Black50000000000000
    228
    0.05"2.272"2.508"Durometer 90A (Hard)-40 to 250Black500000000000000
    229
    0.05"2.397"2.633"Durometer 90A (Hard)-40 to 250Black500000000000000
    230
    0.05"2.522"2.758"Durometer 90A (Hard)-40 to 250Black500000000000000
    231
    0.05"2.631"2.867"Durometer 90A (Hard)-40 to 250Black500000000000000
    232
    0.05"2.756"2.992"Durometer 90A (Hard)-40 to 250Black500000000000000
    233
    0.05"2.881"3.117"Durometer 90A (Hard)-40 to 250Black25000000000000
    234
    0.05"3.006"3.242"Durometer 90A (Hard)-40 to 250Black25000000000000
    235
    0.05"3.131"3.367"Durometer 90A (Hard)-40 to 250Black25000000000000
    236
    0.05"3.256"3.492"Durometer 90A (Hard)-40 to 250Black25000000000000
    237
    0.05"3.381"3.617"Durometer 90A (Hard)-40 to 250Black2500000000000
    238
    0.05"3.506"3.742"Durometer 90A (Hard)-40 to 250Black250000000000000
    239
    0.05"3.631"3.867"Durometer 90A (Hard)-40 to 250Black250000000000000
    240
    0.05"3.756"3.992"Durometer 90A (Hard)-40 to 250Black250000000000000
    241
    0.05"3.881"4.117"Durometer 90A (Hard)-40 to 250Black250000000000000
    242
    0.05"4.006"4.242"Durometer 90A (Hard)-40 to 250Black250000000000000
    243
    0.05"4.131"4.367"Durometer 90A (Hard)-40 to 250Black250000000000000
    244
    0.05"4.256"4.492"Durometer 90A (Hard)-40 to 250Black250000000000000
    245
    0.05"4.381"4.617"Durometer 90A (Hard)-40 to 250Black250000000000000
    246
    0.05"4.506"4.742"Durometer 90A (Hard)-40 to 250Black250000000000000
    247
    0.05"4.631"4.867"Durometer 90A (Hard)-40 to 250Black25000000000000
    248
    0.05"4.768"5.004"Durometer 90A (Hard)-40 to 250Black250000000000000
    249
    0.05"4.893"5.129"Durometer 90A (Hard)-40 to 250Black250000000000000
    250
    0.05"5.018"5.254"Durometer 90A (Hard)-40 to 250Black10000000000000
    252
    0.05"5.268"5.504"Durometer 90A (Hard)-40 to 250Black10000000000000
    254
    0.05"5.518"5.754"Durometer 90A (Hard)-40 to 250Black10000000000000
    255
    0.05"5.643"5.879"Durometer 90A (Hard)-40 to 250Black10000000000000
    256
    0.05"5.768"6.004"Durometer 90A (Hard)-40 to 250Black10000000000000
    257
    0.05"5.893"6.129"Durometer 90A (Hard)-40 to 250Black1000000000000
    258
    0.05"6.018"6.254"Durometer 90A (Hard)-40 to 250Black10000000000000
    259
    0.05"6.268"6.504"Durometer 90A (Hard)-40 to 250Black10000000000000
    260
    0.05"6.518"6.754"Durometer 90A (Hard)-40 to 250Black10000000000000
    261
    0.05"6.768"7.004"Durometer 90A (Hard)-40 to 250Black10000000000000
    262
    0.05"7.018"7.254"Durometer 90A (Hard)-40 to 250Black100000000000000
    265
    0.05"7.768"8.004"Durometer 90A (Hard)-40 to 250Black100000000000000
     
    0.183" Wide
    322
    0.076"1.263"1.629"Durometer 90A (Hard)-40 to 250Black50000000000000
    323
    0.076"1.316"1.682"Durometer 90A (Hard)-40 to 250Black50000000000000
    325
    0.076"1.513"1.879"Durometer 90A (Hard)-40 to 250Black50000000000000
    326
    0.076"1.638"2.004"Durometer 90A (Hard)-40 to 250Black500000000000000
    329
    0.076"2.013"2.379"Durometer 90A (Hard)-40 to 250Black500000000000000
    330
    0.076"2.138"2.504"Durometer 90A (Hard)-40 to 250Black500000000000000
    333
    0.076"2.518"2.884"Durometer 90A (Hard)-40 to 250Black500000000000000
    334
    0.076"2.643"3.009"Durometer 90A (Hard)-40 to 250Black500000000000000
    337
    0.076"3.018"3.384"Durometer 90A (Hard)-40 to 250Black250000000000000
    338
    0.076"3.143"3.509"Durometer 90A (Hard)-40 to 250Black250000000000000
    339
    0.076"3.273"3.639"Durometer 90A (Hard)-40 to 250Black250000000000000
    340
    0.076"3.398"3.764"Durometer 90A (Hard)-40 to 250Black250000000000000
    341
    0.076"3.523"3.889"Durometer 90A (Hard)-40 to 250Black25000000000000
    342
    0.076"3.648"4.014"Durometer 90A (Hard)-40 to 250Black250000000000000
    343
    0.076"3.773"4.139"Durometer 90A (Hard)-40 to 250Black250000000000000
    344
    0.076"3.898"4.264"Durometer 90A (Hard)-40 to 250Black250000000000000
    345
    0.076"4.028"4.394"Durometer 90A (Hard)-40 to 250Black250000000000000
    346
    0.076"4.153"4.519"Durometer 90A (Hard)-40 to 250Black250000000000000
    349
    0.076"4.528"4.894"Durometer 90A (Hard)-40 to 250Black10000000000000
    351
    0.076"4.778"5.144"Durometer 90A (Hard)-40 to 250Black1000000000000
    358
    0.076"5.653"6.019"Durometer 90A (Hard)-40 to 250Black100000000000000
     
    0.236" Wide
    426
    0.117"4.676"5.148"Durometer 90A (Hard)-40 to 250Black100000000000000
    427
    0.117"4.801"5.273"Durometer 90A (Hard)-40 to 250Black100000000000000
    429
    0.117"5.051"5.523"Durometer 90A (Hard)-40 to 250Black100000000000000
    433
    0.117"5.551"6.023"Durometer 90A (Hard)-40 to 250Black100000000000000
    437
    0.117"6.051"6.523"Durometer 90A (Hard)-40 to 250Black100000000000000
    439
    0.117"6.524"6.996"Durometer 90A (Hard)-40 to 250Black100000000000000
    443
    0.117"7.524"7.996"Durometer 90A (Hard)-40 to 250Black100000000000000
    446
    0.117"8.524"8.996"Durometer 90A (Hard)-40 to 250Black50000000000000
    451
    0.117"11.024"11.496"Durometer 90A (Hard)-40 to 250Black50000000000000
    452
    0.117"11.524"11.996"Durometer 90A (Hard)-40 to 250Black50000000000000
     

    PTFE Backup Ring Assortments

    Image of Product. Front orientation. Backup Rings. PTFE Backup Ring Assortments.
    These 325-piece assortments mean you’ll always have a backup ring on hand. Use them to extend the life of your O-rings and improve their performance in high-pressure applications. The backup rings are made of PTFE and resist harsh chemicals such as, acetone, fluorinated solvents, methanol, and many acids.
    No. of
    Pieces
    No. of
    Sizes
    Includes
    Hardness
    Temp. Range,
    ° F
    Color
    Each
    32536Dash Numbers 005-018, 110-121, 210-219Durometer 55D (Hard)-100 to 500White00000000000000
     
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