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![]() | Black |
Washer Type Washer Type |
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![]() | Sleeve |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Washers
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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.
Temperature Range, °F | |||||||||||
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For Screw Size | ID | OD | Sleeve OD | Thick. | Overall Ht. | Min. | Max. | Color | Pkg. Qty. | Pkg. | |
Hard Fiber | |||||||||||
No. 2 | 0.090" | 0.250" | 0.154" | 0.030" | 0.055" | Not Rated | 230° | Black | 50 | 000000000 | 000000 |
No. 4 | 0.116" | 0.250" | 0.186" | 0.030" | 0.055" | Not Rated | 230° | Black | 50 | 000000000 | 00000 |
No. 6 | 0.142" | 0.313" | 0.186" | 0.040" | 0.070" | Not Rated | 230° | Black | 50 | 000000000 | 0000 |
No. 8 | 0.168" | 0.375" | 0.246" | 0.040" | 0.070" | Not Rated | 230° | Black | 50 | 000000000 | 00000 |
No. 10 | 0.194" | 0.375" | 0.312" | 0.040" | 0.070" | Not Rated | 230° | Black | 50 | 000000000 | 00000 |
1/4" | 0.254" | 0.500" | 0.312" | 0.040" | 0.070" | Not Rated | 230° | Black | 50 | 000000000 | 00000 |
3/8" | 0.380" | 0.625" | 0.437" | 0.060" | 0.100" | Not Rated | 230° | Black | 50 | 000000000 | 00000 |