System of Measurement System of Measurement |
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Thickness Thickness |
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Material Material |
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Finish Finish |
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Seal Material Seal Material |
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Seal Color Seal Color |
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![]() | Black |
Washer Type Washer Type |
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![]() | Metal Bonded |
Maximum Pressure for Fluids Maximum Pressure for Fluids |
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Hardness Hardness |
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Maximum Pressure for Gases Maximum Pressure for Gases |
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Seal Hardness Seal Hardness |
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Minimum Temperature Minimum Temperature |
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Maximum Temperature Maximum Temperature |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Washers
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Metric High-Pressure-Rated Metal-Bonded Sealing Washers

Able to withstand pressure greater than 7,000 psi, these one-piece bonded washers create the tightest seals. They are zinc-plated steel for corrosion resistance in wet environments. The Buna-N rubber seal has excellent abrasion resistance and good oil, weather, and chemical resistance. Washers are reusable.
For technical drawings and 3-D models, click on a part number.
Max. Pressure, psi | Temperature Range, °F | ||||||||||||
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For Screw Size | ID, mm | OD, mm | Thick., mm | For Fluids | For Gases | Min. | Max. | Hardness | Seal Hardness | Seal Color | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel with Buna-N Rubber Seal | |||||||||||||
M5 | 4.8 | 9.8 | 0.9-1.2 | 15,200 | 200 | -30° | 220° | Rockwell C26 | Durometer 85A | Black | 5 | 000000000 | 000000 |
M6 | 5.8 | 11.3 | 1.1-1.4 | 12,800 | 200 | -30° | 220° | Rockwell C26 | Durometer 85A | Black | 5 | 000000000 | 00000 |
M8 | 7.8 | 13.5 | 1.1-1.4 | 7,900 | 200 | -30° | 220° | Rockwell C26 | Durometer 85A | Black | 5 | 000000000 | 00000 |
M10 | 9.7 | 15.3 | 1.1-1.4 | 7,200 | 200 | -30° | 220° | Rockwell C26 | Durometer 85A | Black | 5 | 000000000 | 00000 |
M12 | 11.7 | 19.3 | 1.1-1.4 | 7,100 | 200 | -30° | 220° | Rockwell C26 | Durometer 85A | Black | 5 | 000000000 | 00000 |
M14 | 13.7 | 22.4 | 1.1-1.4 | 8,000 | 200 | -30° | 220° | Rockwell C26 | Durometer 85A | Black | 5 | 000000000 | 00000 |
M16 | 15.7 | 27.1 | 1.1-1.4 | 12,500 | 200 | -30° | 220° | Rockwell C26 | Durometer 85A | Black | 5 | 000000000 | 00000 |