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Cross Section Shape Cross Section Shape |
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 | Round |
System of Measurement System of Measurement |
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Material Material |
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Color Color |
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 | Black |
Hardness Hardness | Show |
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Hardness Hardness | Hide |
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Hardness Rating Hardness Rating |
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 | Soft |
Maximum Temperature Maximum Temperature |
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For Use With For Use With |
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Minimum Temperature Minimum Temperature |
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Thickness Thickness |
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Specifications Met Specifications Met |
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Washer Type Washer Type |
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 | Flat |
About O-Rings
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About Washers
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Chemical-Resistant Soft Viton®
Fluoroelastomer O-Ring Cord Stock
This cord stock is softer and creates a better seal than standard Viton® fluoroelastomer cord stock. It resists benzene, boric acid, ethylene glycol, and isopropyl alcohol. Use it to make round-profile O-rings, which are suitable for a wide range of static and dynamic sealing applications.
Wd. | ||||||||
|---|---|---|---|---|---|---|---|---|
| Fractional | Actual | Hardness | Specifications Met | Temperature Range, °F | Color | Lengths, ft. | Per Ft. | |
| 1/16 | 0.070" | Durometer 55A (Soft) | ASTM D2000 | 5° to 395° | Black | 0000000 | 00000 | |
| 3/32 | 0.103" | Durometer 55A (Soft) | ASTM D2000 | 5° to 395° | Black | 0000000 | 0000 | |
| 1/8 | 0.139" | Durometer 55A (Soft) | ASTM D2000 | 5° to 395° | Black | 0000000 | 0000 | |
| 3/16 | 0.210" | Durometer 55A (Soft) | ASTM D2000 | 5° to 395° | Black | 0000000 | 0000 | |
| 1/4 | 0.275" | Durometer 55A (Soft) | ASTM D2000 | 5° to 395° | Black | 0000000 | 0000 | |
| 5/16 | 0.313" | Durometer 55A (Soft) | ASTM D2000 | 5° to 395° | Black | 0000000 | 0000 | |
| 3/8 | 0.375" | Durometer 55A (Soft) | ASTM D2000 | 5° to 395° | Black | 0000000 | 00000 | |
| 7/16 | 0.437" | Durometer 55A (Soft) | ASTM D2000 | 5° to 395° | Black | 0000000 | 00000 | |
| 1/2 | 0.500" | Durometer 55A (Soft) | ASTM D2000 | 5° to 395° | Black | 0000000 | 00000 | |
Oil-Resistant Rubber Sealing Washers
These washers surpass other rubber washers when it comes to withstanding oil, grease, and fuel. They create a light duty seal around fasteners to prevent fluids from leaking and damp vibration.
Neoprene washers have good abrasion resistance.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Screw Size | ID | OD | Thick. | Min. | Max. | Hardness | Color | Pkg. Qty. | Pkg. | |
Neoprene Rubber | ||||||||||
| No. 6 | 0.120" | 0.250" | 0.047"-0.077" | -20° | 180° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| No. 8 | 0.150" | 0.312" | 0.047"-0.077" | -20° | 180° | Durometer 55A | Black | 100 | 000000000 | 0000 |
| No. 10 | 0.170" | 0.375" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | 100 | 000000000 | 0000 |
| No. 10 | 0.170" | 0.500" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| No. 12 | 0.195" | 0.438" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| No. 12 | 0.195" | 0.562" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| 1/4" | 0.230" | 0.500" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | 100 | 000000000 | 0000 |
| 1/4" | 0.230" | 0.625" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.562" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.688" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| 3/8" | 0.355" | 0.625" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| 3/8" | 0.355" | 0.812" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | 50 | 000000000 | 0000 |
| 3/8" | 0.355" | 0.812" | 0.110"-0.140" | -20° | 180° | Durometer 55A | Black | 50 | 000000000 | 0000 |
| 1/2" | 0.490" | 1.062" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | 50 | 000000000 | 0000 |
| 1/2" | 0.490" | 1.062" | 0.110"-0.140" | -20° | 180° | Durometer 55A | Black | 50 | 000000000 | 00000 |
| 5/8" | 0.615" | 1.312" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | 50 | 000000000 | 00000 |
| 5/8" | 0.615" | 1.312" | 0.110"-0.140" | -20° | 180° | Durometer 55A | Black | 25 | 000000000 | 0000 |
| 3/4" | 0.740" | 1.500" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | 25 | 000000000 | 0000 |
| 3/4" | 0.740" | 1.500" | 0.110"-0.140" | -20° | 180° | Durometer 55A | Black | 25 | 000000000 | 0000 |
| 1" | 0.990" | 2.000" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | 25 | 000000000 | 00000 |
| 1" | 0.990" | 2.000" | 0.110"-0.140" | -20° | 180° | Durometer 55A | Black | 10 | 000000000 | 0000 |
Weather-Resistant Rubber Sealing Washers
Sunlight, ozone, and water won’t affect these washers. They create a light duty seal around fasteners to prevent fluids from leaking and damp vibration.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Screw Size | ID | OD | Thick. | Min. | Max. | Hardness | Color | Pkg. Qty. | Pkg. | |
EPDM Rubber | ||||||||||
| No. 6 | 0.120" | 0.250" | 0.047"-0.077" | -20° | 212° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| No. 8 | 0.150" | 0.312" | 0.047"-0.077" | -20° | 212° | Durometer 55A | Black | 100 | 000000000 | 0000 |
| No. 10 | 0.170" | 0.375" | 0.078"-0.108" | -20° | 212° | Durometer 55A | Black | 100 | 000000000 | 0000 |
| No. 10 | 0.170" | 0.500" | 0.078"-0.108" | -20° | 212° | Durometer 55A | Black | 100 | 000000000 | 0000 |
| No. 12 | 0.195" | 0.438" | 0.078"-0.108" | -20° | 212° | Durometer 55A | Black | 100 | 000000000 | 0000 |
| No. 12 | 0.195" | 0.562" | 0.078"-0.108" | -20° | 212° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| 1/4" | 0.230" | 0.500" | 0.078"-0.108" | -20° | 212° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| 1/4" | 0.230" | 0.625" | 0.078"-0.108" | -20° | 212° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.562" | 0.078"-0.108" | -20° | 212° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.688" | 0.078"-0.108" | -20° | 212° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| 3/8" | 0.355" | 0.625" | 0.078"-0.108" | -20° | 212° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| 3/8" | 0.355" | 0.812" | 0.078"-0.108" | -20° | 212° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| 3/8" | 0.355" | 0.812" | 0.110"-0.140" | -20° | 212° | Durometer 55A | Black | 25 | 000000000 | 0000 |
| 1/2" | 0.490" | 1.062" | 0.078"-0.108" | -20° | 212° | Durometer 55A | Black | 100 | 000000000 | 00000 |
| 1/2" | 0.490" | 1.062" | 0.110"-0.140" | -20° | 212° | Durometer 55A | Black | 25 | 000000000 | 0000 |
| 5/8" | 0.615" | 1.312" | 0.078"-0.108" | -20° | 212° | Durometer 55A | Black | 50 | 000000000 | 00000 |
| 5/8" | 0.615" | 1.312" | 0.110"-0.140" | -20° | 212° | Durometer 55A | Black | 25 | 000000000 | 0000 |
| 3/4" | 0.740" | 1.500" | 0.078"-0.108" | -20° | 212° | Durometer 55A | Black | 25 | 000000000 | 0000 |
| 3/4" | 0.740" | 1.500" | 0.110"-0.140" | -20° | 212° | Durometer 55A | Black | 25 | 000000000 | 0000 |
| 1" | 0.990" | 2.000" | 0.078"-0.108" | -20° | 212° | Durometer 55A | Black | 10 | 000000000 | 0000 |
| 1" | 0.990" | 2.000" | 0.110"-0.140" | -20° | 212° | Durometer 55A | Black | 10 | 000000000 | 0000 |