Trade Size Trade Size |
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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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Hardness Hardness |
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Hardness Rating Hardness Rating |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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For Use With For Use With |
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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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About O-Rings
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Faucet Washers
PTFE washers absorb less water so they're more durable than Buna-N rubber washers.
Flat | Beveled | |||||||
|---|---|---|---|---|---|---|---|---|
| Faucet Washer Trade Size | Industry Designation | OD | Temp. Range, °F | Pkg. Qty. | Pkg. | Pkg. | ||
Buna-N Rubber | ||||||||
| 1/4" Small (00) | Small | 1/2" | -30° to 200° | 100 | 0000000 | 00000 | 0000000 | 000000 |
| 1/4" Medium (0) | Medium | 17/32" | -30° to 200° | 100 | 0000000 | 0000 | 0000000 | 00000 |
| 1/4" Regular | Regular | 9/16" | -30° to 200° | 100 | 0000000 | 0000 | 0000000 | 00000 |
| 1/4" Large | Large | 19/32" | -30° to 200° | 100 | 0000000 | 0000 | 0000000 | 00000 |
| 3/8" Regular | Regular | 5/8" | -30° to 200° | 100 | 0000000 | 00000 | 0000000 | 00000 |
| 3/8" Regular | Regular | 3/4" | -30° to 200° | 100 | 0000000 | 00000 | 0000000 | 00000 |
| 3/8" Large | Large | 11/16" | -30° to 200° | 100 | 0000000 | 00000 | 0000000 | 00000 |
PTFE Plastic | ||||||||
| 1/4" Small (00) | Small | 1/2" | -100° to 500° | 25 | 0000000 | 00000 | 000000 | 00 |
| 1/4" Medium (0) | Medium | 17/32" | -100° to 500° | 25 | 0000000 | 00000 | 000000 | 00 |
| 1/4" Regular | Regular | 9/16" | -100° to 500° | 25 | 0000000 | 00000 | 000000 | 00 |
| 1/4" Large | Large | 19/32" | -100° to 500° | 25 | 0000000 | 00000 | 000000 | 00 |
| 3/8" Regular | Regular | 5/8" | -100° to 500° | 25 | 0000000 | 00000 | 000000 | 00 |
| 3/8" Large | Large | 11/16" | -100° to 500° | 10 | 0000000 | 0000 | 000000 | 00 |
| 1/2" Regular | Regular | 3/4" | -100° to 500° | 10 | 0000000 | 0000 | 000000 | 00 |
Faucet Washer Assortments
PTFE washers absorb less water so they're more durable than Buna-N rubber washers.
Flat | Beveled | |||||
|---|---|---|---|---|---|---|
| No. of Pieces | Temp. Range, °F | Includes | Each | Each | ||
Buna-N Rubber | ||||||
| 120 | -30° to 200° | 9 Sizes: (000), 1/4" Small (00), 1/4"Medium (0), 1/4" Regular, 1/4" Large, 3/8" Regular, 3/8" Large, 1/2" Regular, 5/8" Regular | 0000000 | 000000 | 000000 | 00 |
| 160 | -30° to 200° | 9 Sizes: 1/4" Small (00), 1/4" Medium (0), 1/4" Regular, 1/4" Large, 3/8" Regular, 3/8" Large, 1/2" Regular, 5/8" Regular, 3/4" Regular | 000000 | 00 | 0000000 | 000000 |
PTFE Plastic | ||||||
| 240 | -100° to 500° | 9 Sizes: (000), 1/4" Small (00), 1/4" Medium (0), 1/4" Regular, 1/4" Large, 3/8" Regular, 3/8" Medium, 3/8" Large, 1/2" Regular | 0000000 | 000000 | 000000 | 00 |
Water-Resistant SBR Hose Gasket Washers
Place one of these SBR rubber washers inside a nozzle or spigot to prevent leaks at the connection point. The 5/8" ID washer is commonly used in garden hoses.
For technical drawings and 3-D models, click on a part number.
| For Hose ID | ID | OD | Thick. | Hardness | Hardness Rating | Color | Pkg. Qty. | Pkg. | |
| 3/4" | 5/8" | 1" | 1/8" | Durometer 75A | Hard | Red | 100 | 000000 | 00000 |
| 1 1/4" | 1 1/8" | 1 5/8" | 1/8" | Durometer 60A | Medium Hard | Black | 25 | 000000 | 00000 |
| 1 1/2" | 1 5/16" | 1 15/16" | 1/8" | Durometer 60A | Medium Hard | Black | 25 | 000000 | 00000 |
| 2" | 1 11/16" | 2 7/16" | 1/8" | Durometer 60A | Medium Hard | Black | 10 | 000000 | 0000 |
| 2 1/2" | 2 1/8" | 2 7/8" | 5/32" | Durometer 60A | Medium Hard | Black | 10 | 000000 | 0000 |
Oil-Resistant Neoprene Hose Gasket Washers
Made of neoprene rubber, these washers resist oil. Place one inside a nozzle or spigot to prevent leaks at the connection point.
For technical drawings and 3-D models, click on a part number.
Oil-Resistant Buna-N O-Ring Assortments
All of the O-rings in these assortments are made of Buna-N. They resist animal, vegetable, and motor oils. All have a round profile and are suitable for a wide range of static and dynamic sealing applications.
Inch O-rings have a dash number and are sized to the SAE standard AS568.
| Number of Pieces | Number of Sizes Included | Includes | Specifications Met | Temperature Range, °F | Each | |
Durometer 70A (Medium) | ||||||
|---|---|---|---|---|---|---|
Black | ||||||
| 200 | 12 | Dash Numbers 010-012, 110-116, 211-212 | ASTM D2000, SAE AS568 | -25° to 250° | 0000000 | 000000 |
Garden Hose Fitting Washers
Insert these washers in the threaded female end of a garden hose fitting to prevent leaks.
Washers with screen filter out debris and large particles.
For technical drawings and 3-D models, click on a part number.
Inline Strainer Washers
Install these strainer washers in pipe or fittings to catch debris and protect equipment in locations where other strainers don't fit. They're often used with valves, sprayers, parts washers, and washing machines. They have very good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
| For Pipe Size | Gasket OD | Gasket Thick. | Temp. Range, °F | Screen Material | Screen OD | Screen Lg. | Choose a Screen Mesh Size | Pkg. Qty. | Pkg. | |
With PVC Plastic Gasket | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 19/32" | 7/64" | -50° to 120° | 304 Stainless Steel | 3/8" | 1/8" | 100 | 25 | 0000000 | 00000 |
| 1/2 | 23/32" | 5/64" | -50° to 120° | 304 Stainless Steel | 15/32" | 5/32" | 60 | 25 | 0000000 | 0000 |
| 1/2 | 53/64" | 5/64" | -50° to 120° | 304 Stainless Steel | 35/64" | 7/32" | 25 | 0000000 | 0000 | |
| 3/4 | 1" | 5/32" | -50° to 120° | 304 Stainless Steel | 37/64" | 23/64" | 25 | 0000000 | 0000 | |
| 1 | 1 1/8" | 7/64" | -50° to 120° | 304 Stainless Steel | 53/64" | 5/8" | 10 | 0000000 | 0000 | |
| 1 | 1 1/4" | 5/32" | -50° to 120° | 304 Stainless Steel | 7/8" | 17/32" | 10 | 0000000 | 0000 | |
With Santoprene Rubber Gasket | ||||||||||
| 1/2 | 39/64" | 7/64" | -50° to 212° | 304 Stainless Steel | 3/8" | __ | 60 | 25 | 0000000 | 00000 |
| 1/2 | 23/32" | 7/64" | -50° to 212° | 304 Stainless Steel | 7/16" | __ | 60 | 25 | 0000000 | 00000 |
| 3/4 | 1" | 5/32" | -50° to 212° | 304 Stainless Steel | 21/32" | 11/32" | 60 | 25 | 0000000 | 00000 |