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System
of
Measurement
Inch
Metric
ID
1
7/8"
1.914"
1.950"
1.992"
2"
Screw
Size
See all
1
7/8"
OD
2"
2.811"
2.922"
2.950"
3
1/2"
4"
4
1/4"
Washer
Type
Conical
Flat
Split
Wedge
Thickness
0.063"
0.153"
to
0.213"
0.178"
to
0.280"
0.270"
to
0.290"
0.302"
to
0.335"
0.422"
Material
Fabric
-
Reinforced
Buna
-
N
Stainless
Steel
Steel
Finish
Black
Oxide
Cadmium
Plated
Corrosion
-
Resistant
Coated
Galvanized
Zinc
Flake
Coated
Zinc
Plated
Zinc
Yellow
-
Chromate
Plated
Washer
Designation
General
Purpose
Oversized
SAE
USS
Shape
Round
Hardness
Durometer
90A
Rockwell
C35
Rockwell
C38
Rockwell
C46
Not
Rated
Fastener
Strength
Grade/Class
ASTM
Grade
A325
ASTM
Grade
A490
SAE
Grade
8
Specifications
Met
ANSI/ABMA
8.2
ASME
B18.21.1
ASTM
F436
Type
1
Length
1"
USMCA
Qualifying
No
RoHS
Compliance
RoHS
3
(2015/863/EU)
Compliant
Not
Compliant
REACH
Compliance
REACH
(EC
1907/2006)
(06/27/2024,
241
SVHC)
Compliant
REACH
(EC
1907/2006)
(06/14/2023,
235
SVHC)
Compliant
REACH
(EC
1907/2006)
(01/17/2023,
233
SVHC)
Compliant
REACH
(EC
1907/2006)
(06/10/2022,
224
SVHC)
Compliant
Not
Compliant
Performance
Corrosion
Resistant
Extreme
Vibration
Resistant
High
Strength
Reusable
DFARS
Compliance
Specialty
Metals
Compliant
(252.225
-
7008)
Specialty
Metals
Compliant
(252.225
-
7009)
Specialty
Metals
COTS
-
Exempt
Not
Specialty
Metals
Compliant
Color
Black
Maximum
Temperature
Less
than
250°
F
Minimum
Temperature
-
99°
F
to
-
50°
F
Military
Specification
MS27183
-
35
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18 Products
Fastening and Joining
Washers
Nearly every size and shape imaginable, from flat washers to clipped to curved
13 products
Lock Washers
Resist vibration to prevent fasteners from loosening
2 products
Spacers
Unthreaded to create space between two surfaces or objects, often to align them
1 product
Power Transmission
Bearing Lock Washers
Lock bearing nuts in place to prevent loosening due to vibration
2 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)