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Thickness Thickness |
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OD OD |
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ID ID |
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Material Material |
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Washer Type Washer Type |
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 | Flat |
Hardness Hardness |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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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 Rubber Sealing Washers
These washers withstand harsh chemicals such as acetic acid and isopropyl alcohol. They create a light duty seal around fasteners to prevent fluids from leaking and damp vibration.
Fluorosilicone washers withstand a wider range of temperatures and are more chemical resistant than Santoprene washers.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Screw Size | ID | OD | Thick. | Min. | Max. | Hardness | Choose a Color | Pkg. Qty. | Pkg. | |
Fluorosilicone Rubber | ||||||||||
| No. 6 | 0.120" | 0.250" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 50 | 000000000 | 000000 |
| No. 6 | 0.120" | 0.375" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 25 | 000000000 | 00000 |
| No. 6 | 0.120" | 0.375" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 0000 |
| No. 8 | 0.150" | 0.312" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 25 | 000000000 | 0000 |
| No. 8 | 0.150" | 0.438" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 0000 |
| No. 8 | 0.150" | 0.438" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 0000 |
| No. 10 | 0.170" | 0.375" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 25 | 000000000 | 00000 |
| No. 10 | 0.170" | 0.375" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 0000 |
| No. 10 | 0.170" | 0.500" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 0000 |
| No. 10 | 0.170" | 0.500" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 0000 |
| No. 12 | 0.195" | 0.437" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 0000 |
| No. 12 | 0.195" | 0.437" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 0000 |
| No. 12 | 0.195" | 0.562" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 0000 |
| No. 12 | 0.195" | 0.562" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 00000 |
| 1/4" | 0.230" | 0.500" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 0000 |
| 1/4" | 0.230" | 0.500" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 0000 |
| 1/4" | 0.230" | 0.625" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 00000 |
| 1/4" | 0.230" | 0.625" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 5 | 000000000 | 0000 |
| 5/16" | 0.290" | 0.562" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.562" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.688" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.688" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 5 | 000000000 | 0000 |
| 3/8" | 0.355" | 0.625" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 0000 |
| 3/8" | 0.355" | 0.625" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 5 | 000000000 | 0000 |
| 3/8" | 0.355" | 0.812" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 5 | 000000000 | 0000 |
| 3/8" | 0.355" | 0.812" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 5 | 000000000 | 0000 |
| 1/2" | 0.490" | 1.062" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 5 | 000000000 | 00000 |
| 1/2" | 0.490" | 1.062" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 1 | 000000000 | 0000 |
| 5/8" | 0.615" | 1.312" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 1 | 000000000 | 0000 |
| 5/8" | 0.615" | 1.312" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 1 | 000000000 | 0000 |
| 3/4" | 0.740" | 1.500" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 1 | 000000000 | 0000 |
| 3/4" | 0.740" | 1.500" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 1 | 000000000 | 0000 |
| 1" | 0.990" | 2.000" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 1 | 000000000 | 00000 |
| 1" | 0.990" | 2.000" | 0.083"-0.103" | -60° | 400° | Durometer 60A | Blue | 1 | 000000000 | 00000 |
| M3 | 3.200mm | 7.000mm | 1.320mm-1.820mm | -80° | 450° | Durometer 60A | Blue | 25 | 000000000 | 00000 |
| M4 | 4.300mm | 9.000mm | 1.320mm-1.820mm | -80° | 450° | Durometer 60A | Blue | 25 | 000000000 | 00000 |
| M5 | 5.300mm | 10.000mm | 1.320mm-1.820mm | -80° | 450° | Durometer 60A | Blue | 25 | 000000000 | 00000 |
| M6 | 6.400mm | 12.000mm | 1.320mm-1.820mm | -80° | 450° | Durometer 60A | Blue | 10 | 000000000 | 00000 |
| M8 | 8.400mm | 16.000mm | 1.320mm-1.820mm | -80° | 450° | Durometer 60A | Blue | 10 | 000000000 | 00000 |
| M10 | 10.500mm | 20.000mm | 1.320mm-1.820mm | -80° | 450° | Durometer 60A | Blue | 5 | 000000000 | 00000 |
| M12 | 13.000mm | 24.000mm | 1.320mm-1.820mm | -80° | 450° | Durometer 60A | Blue | 5 | 000000000 | 00000 |
| M14 | 15.000mm | 28.000mm | 1.320mm-1.820mm | -80° | 450° | Durometer 60A | Blue | 1 | 000000000 | 0000 |
| M16 | 17.000mm | 30.000mm | 1.320mm-1.820mm | -80° | 450° | Durometer 60A | Blue | 1 | 000000000 | 0000 |
| M18 | 19.000mm | 34.000mm | 1.320mm-1.820mm | -80° | 450° | Durometer 60A | Blue | 1 | 000000000 | 0000 |
| M20 | 21.000mm | 37.000mm | 1.320mm-1.820mm | -80° | 450° | Durometer 60A | Blue | 1 | 000000000 | 0000 |
| M22 | 24.000mm | 39.000mm | 1.320mm-1.820mm | -80° | 450° | Durometer 60A | Blue | 1 | 000000000 | 00000 |
Santoprene Rubber | ||||||||||
| No. 6 | 0.120" | 0.250" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Beige | 50 | 000000000 | 00000 |
| No. 6 | 0.120" | 0.250" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 100 | 000000000 | 00000 |
| No. 6 | 0.120" | 0.375" | 0.068"-0.088" | -40° | 270° | Durometer 64A | 50 | 000000000 | 00000 | |
| No. 6 | 0.120" | 0.375" | 0.081"-0.105" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 00000 |
| No. 8 | 0.150" | 0.312" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Beige | 50 | 000000000 | 00000 |
| No. 8 | 0.150" | 0.312" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 100 | 000000000 | 00000 |
| No. 8 | 0.150" | 0.312" | 0.081"-0.105" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 00000 |
| No. 8 | 0.150" | 0.438" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 00000 |
| No. 8 | 0.150" | 0.438" | 0.081"-0.105" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 00000 |
| No. 10 | 0.170" | 0.375" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 00000 |
| No. 10 | 0.170" | 0.375" | 0.081"-0.105" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 00000 |
| No. 10 | 0.170" | 0.500" | 0.068"-0.088" | -40° | 270° | Durometer 64A | 50 | 000000000 | 0000 | |
| No. 10 | 0.170" | 0.500" | 0.081"-0.105" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 00000 |
| No. 12 | 0.195" | 0.437" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 00000 |
| No. 12 | 0.195" | 0.437" | 0.081"-0.105" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 00000 |
| No. 12 | 0.195" | 0.562" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Beige | 50 | 000000000 | 00000 |
| No. 12 | 0.195" | 0.562" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 0000 |
| 1/4" | 0.230" | 0.500" | 0.068"-0.088" | -40° | 270° | Durometer 64A | 50 | 000000000 | 0000 | |
| 1/4" | 0.230" | 0.500" | 0.081"-0.105" | -40° | 270° | Durometer 64A | 50 | 000000000 | 00000 | |
| 1/4" | 0.230" | 0.625" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 00000 |
| 1/4" | 0.230" | 0.625" | 0.081"-0.105" | -40° | 270° | Durometer 64A | Black | 25 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.562" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 25 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.562" | 0.081"-0.105" | -40° | 270° | Durometer 64A | Black | 25 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.688" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.688" | 0.081"-0.105" | -40° | 270° | Durometer 64A | Black | 25 | 000000000 | 00000 |
| 3/8" | 0.355" | 0.625" | 0.068"-0.088" | -40° | 270° | Durometer 64A | 25 | 000000000 | 0000 | |
| 3/8" | 0.355" | 0.625" | 0.081"-0.105" | -40° | 270° | Durometer 64A | 25 | 000000000 | 00000 | |
| 3/8" | 0.355" | 0.812" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Beige | 10 | 000000000 | 0000 |
| 3/8" | 0.355" | 0.812" | 0.081"-0.105" | -40° | 270° | Durometer 64A | Black | 10 | 000000000 | 0000 |
| 3/8" | 0.365" | 0.812" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 00000 |
| 1/2" | 0.490" | 1.062" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Beige | 10 | 000000000 | 0000 |
| 1/2" | 0.490" | 1.062" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 25 | 000000000 | 00000 |
| 1/2" | 0.490" | 1.062" | 0.081"-0.105" | -40° | 270° | Durometer 64A | 10 | 000000000 | 00000 | |
| 5/8" | 0.615" | 1.312" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 25 | 000000000 | 00000 |
| 5/8" | 0.615" | 1.312" | 0.081"-0.105" | -40° | 270° | Durometer 64A | Black | 10 | 000000000 | 00000 |
| 3/4" | 0.740" | 1.500" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Beige | 5 | 000000000 | 0000 |
| 3/4" | 0.740" | 1.500" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 25 | 000000000 | 00000 |
| 3/4" | 0.740" | 1.500" | 0.081"-0.105" | -40° | 270° | Durometer 64A | Black | 5 | 000000000 | 0000 |
| 1" | 0.990" | 2.000" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 10 | 000000000 | 00000 |
| 1" | 0.990" | 2.000" | 0.081"-0.105" | -40° | 270° | Durometer 64A | Black | 5 | 000000000 | 0000 |