REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Washers
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Chemical-Resistant Cushioning Washers
Made of Buna-N rubber, these washers offer excellent chemical, weather, and oil resistance. The raised grid pattern prevents sideways shifting. These washers are good for damping vibration and cushioning joints.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Indented Grid Wd. | Raised Grid Wd. | Thick. | Max. Temperature, °F | Hardness | Color | Each | |
Buna-N Rubber | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1/2" | 0.500" | 1.375" | 0.281" | 0.219" | 0.281"-0.343" | 200° | Durometer 63A | Black | 0000000 | 00000 |
| 5/8" | 0.625" | 1.750" | 0.281" | 0.219" | 0.281"-0.343" | 200° | Durometer 63A | Black | 0000000 | 0000 |
| 3/4" | 0.750" | 2.000" | 0.281" | 0.219" | 0.281"-0.343" | 200° | Durometer 63A | Black | 0000000 | 00000 |
| 3/4" | 0.750" | 2.000" | 0.375" | 0.625" | 0.469"-0.531" | 200° | Durometer 63A | Black | 0000000 | 00000 |
| 1" | 1.000" | 2.500" | 0.281" | 0.219" | 0.281"-0.343" | 200° | Durometer 63A | Black | 0000000 | 00000 |
| 1" | 1.000" | 2.500" | 0.375" | 0.625" | 0.469"-0.531" | 200° | Durometer 63A | Black | 0000000 | 00000 |
| 1 1/4" | 1.250" | 3.000" | 0.281" | 0.219" | 0.281"-0.343" | 200° | Durometer 63A | Black | 0000000 | 00000 |
| 1 1/4" | 1.250" | 3.000" | 0.375" | 0.625" | 0.469"-0.531" | 200° | Durometer 63A | Black | 0000000 | 00000 |