About Washers
More
Electrical-Insulating Sleeve Washers
Also known as shoulder or insulator washers, these nonmetal washers block electrical current and prevent galvanic corrosion from mating different types of metal.
Hard fiber washers resist organic solvents and petroleum-based oil.
For technical drawings and 3-D models, click on a part number.
Sleeve | Temperature Range, °F | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Screw Size  | ID | OD | OD | Ht. | Thick. | Overall Ht. | Min. | Max. | Hardness | Color | Pkg. Qty. | Pkg. | |
Hard Fiber | |||||||||||||
| No. 2 | 0.090" | 0.250" | 0.154" | 0.025" | 0.030" | 0.055" | Not Rated | 230° | Rockwell R50 | Black | 50 | 000000000 | 000000 |
| No. 4 | 0.116" | 0.250" | 0.186" | 0.025" | 0.030" | 0.055" | Not Rated | 230° | Rockwell R50 | Black | 50 | 000000000 | 00000 |
| No. 6 | 0.142" | 0.313" | 0.186" | 0.030" | 0.040" | 0.070" | Not Rated | 230° | Rockwell R50 | Black | 50 | 000000000 | 0000 |
| No. 8 | 0.168" | 0.375" | 0.246" | 0.030" | 0.040" | 0.070" | Not Rated | 230° | Rockwell R50 | Black | 50 | 000000000 | 00000 |
| No. 10 | 0.194" | 0.375" | 0.312" | 0.030" | 0.040" | 0.070" | Not Rated | 230° | Rockwell R50 | Black | 50 | 000000000 | 00000 |
| 1/4" | 0.254" | 0.500" | 0.312" | 0.030" | 0.040" | 0.070" | Not Rated | 230° | Rockwell R50 | Black | 50 | 000000000 | 00000 |
| 3/8" | 0.380" | 0.625" | 0.437" | 0.040" | 0.060" | 0.100" | Not Rated | 230° | Rockwell R50 | Black | 50 | 000000000 | 00000 |