Find your washer by size
1,746 sizes in 7 materials. Pick OD, ID and thickness to jump straight to the product.
- 1,746 exact sizes in 7 materials
- Bulk pricing per size: 10% off 100+, up to 30% off 1,000+
- Free US shipping on $25+ ($8 under)
- Ships from Elgin, SC · 30-day returns
In-Stock Products
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Rubberwasherwarehouse
Rubber Washer 3/4" OD x 1/2" ID x 1/16" Thick
Regular priceFrom $0.26Unit priceIn stock -
Rubberwasherwarehouse
Rubber Washer 3/4" OD x 3/8" ID x 1/16" Thick
Regular priceFrom $0.26Unit priceIn stock -
Rubberwasherwarehouse
Rubber Washer 2-1/2" OD x 1" ID x 1/8" Thick
Regular priceFrom $0.61Unit priceIn stock -
Rubberwasherwarehouse
Rubber Washer 1-1/8" OD x 3/16" ID x 1/8" Thick
Regular priceFrom $0.33Unit priceIn stock -
Rubberwasherwarehouse
Rubber Washer 2" OD x 3/4" ID x 1/8" Thick
Regular priceFrom $0.51Unit priceIn stock -
Rubberwasherwarehouse
Rubber Washer 1/2" OD x 1/4" ID x 1/16" Thick
Regular priceFrom $0.19Unit priceIn stock -
Rubberwasherwarehouse
Rubber Washer 3" OD x 1-7/16" ID x 1/8" Thick
Regular priceFrom $4.99Unit priceLow stock -
Rubberwasherwarehouse
Rubber Washer 1-1/4" OD x 1/2" ID x 1/8" Thick
Regular priceFrom $0.35Unit priceIn stock
Best-Selling Rubber Washers
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Rubberwasherwarehouse
Rubber Disc 17/32" OD x 3/32" Thick (Solid)
Regular priceFrom $0.23Unit priceIn stock -
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Rubberwasherwarehouse
Rubber Washer 1" OD x 1/2" ID x 1/4" Thick
Regular priceFrom $0.51Unit priceIn stock -
Rubberwasherwarehouse
Rubber Washer 1" OD x 1/2" ID x 1/8" Thick
Regular priceFrom $0.31Unit priceIn stock -
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Shop by Application
Find the right rubber washer for your specific use case
Automotive
Rubber washers for fuel systems, hydraulic lines, engine components, and weatherstripping.
Recommended: Nitrile, Viton, Neoprene
Learn More →Electrical & Electronics
Rubber washers for electrical enclosures, conduit fittings, and vibration isolation of components.
Recommended: Neoprene, Silicone, Fiber
Learn More →Food Grade
FDA-compliant rubber washers for food processing, beverage equipment, and pharmaceutical use.
Recommended: Silicone, EPDM (NSF grade)
Learn More →HVAC
Rubber washers for ductwork, fan motor mounting, rooftop units, and refrigerant lines.
Recommended: Neoprene, EPDM
Learn More →Marine
Rubber washers for boat hardware, through-hull fittings, and saltwater-exposed fasteners.
Recommended: Neoprene, EPDM
Learn More →Plumbing
Rubber washers for faucets, pipe fittings, supply lines, and drain connections.
Recommended: EPDM, Neoprene, Fiber
Learn More →Compare Rubber Washer Materials
| Material | Service temperature | Oil & grease | Weather / UV | Water | Best for | Avoid |
|---|---|---|---|---|---|---|
| Neoprene | Temperature: from −40°F | Oil & grease: — | Weather / UV: — | Water: — | Best for: General purpose sealing, HVAC systems, marine hardware, plumbing | Avoid: Strong oxidizing acids, ketones, esters |
| EPDM | Temperature: — | Oil & grease: Poor | Weather / UV: Excellent | Water: Excellent | Best for: Outdoor and UV-exposed hardware, roofing, potable water systems, steam lines | Avoid: Petroleum oils, fuels, hydrocarbon solvents |
| Nitrile (Buna-N) | Temperature: — | Oil & grease: Excellent | Weather / UV: Poor | Water: Good | Best for: Automotive fuel systems, hydraulic equipment, oil and gas fittings | Avoid: Outdoor and UV-exposed use, ozone |
| Silicone | Temperature: — | Oil & grease: Poor | Weather / UV: Excellent | Water: Good | Best for: Food processing, high-temp appliances, medical equipment, electronics | Avoid: Petroleum oils, concentrated acids |
| Natural Rubber | Temperature: up to 180°F | Oil & grease: Poor | Weather / UV: Poor | Water: Good | Best for: High-abrasion applications, low-cost general sealing, vibration dampening | Avoid: Outdoor use, oil contact, ozone |
| Viton (FKM) | Temperature: −15°F to 400°F | Oil & grease: Excellent | Weather / UV: Excellent | Water: Good | Best for: Chemical processing, aerospace fuel systems, aggressive solvents | Avoid: Ketones, amines, low-molecular-weight esters |
| Fiber | Temperature: from −40°F | Oil & grease: Good | Weather / UV: Good | Water: — | Best for: Pipe flanges, compression fittings, plumbing gaskets, electrical insulation | Avoid: High-pressure steam, strong acids or alkalis |
A dash (—) means our published ratings differ for that property, so we don't show one. Need a firm figure? Ask us. Temperatures are shown only where every rating we publish agrees. See every size and what's in stock.
