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Abrasion-Resistant Rubber and Plastic Sealing Washers
Made of durable material, these washers resist wear from rubbing and scraping surfaces. They create a light duty seal around fasteners to prevent fluids from leaking and damp vibration.
Aramid fabric/Buna-N rubber washers have good oil resistance.
ePTFE plastic washers have excellent weather 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. | |
Aramid Fabric/Buna-N Rubber | ||||||||||
| 1/4" | 0.250" | 0.500" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 10 | 000000000 | 00000 |
| 1/4" | 0.250" | 0.625" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 10 | 000000000 | 0000 |
| 5/16" | 0.312" | 0.625" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 10 | 000000000 | 0000 |
| 5/16" | 0.312" | 0.750" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 10 | 000000000 | 0000 |
| 3/8" | 0.375" | 0.625" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 10 | 000000000 | 0000 |
| 3/8" | 0.375" | 0.750" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 10 | 000000000 | 0000 |
| 1/2" | 0.500" | 0.875" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
| 1/2" | 0.500" | 1.000" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
| 5/8" | 0.625" | 1.000" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
| 5/8" | 0.625" | 1.500" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
| 3/4" | 0.750" | 1.500" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
| 3/4" | 0.750" | 2.000" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
| 1" | 1.000" | 1.500" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
| 1" | 1.000" | 2.000" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
ePTFE Plastic | ||||||||||
| 1/4" | 0.250" | 0.500" | 0.047"-0.077" | -200° | 400° | Durometer 40A | White | 5 | 000000000 | 0000 |
| 5/16" | 0.312" | 0.625" | 0.047"-0.077" | -200° | 400° | Durometer 40A | White | 5 | 000000000 | 0000 |
| 3/8" | 0.375" | 0.750" | 0.047"-0.077" | -200° | 400° | Durometer 40A | White | 5 | 000000000 | 0000 |
| 1/2" | 0.500" | 0.875" | 0.047"-0.077" | -200° | 400° | Durometer 40A | White | 5 | 000000000 | 0000 |
| 5/8" | 0.625" | 1.000" | 0.047"-0.077" | -200° | 400° | Durometer 40A | White | 1 | 000000000 | 0000 |
| 3/4" | 0.750" | 1.500" | 0.047"-0.077" | -200° | 400° | Durometer 40A | White | 1 | 000000000 | 0000 |
| 1" | 1.000" | 1.500" | 0.047"-0.077" | -200° | 400° | Durometer 40A | White | 1 | 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.
Silicone washers withstand a wider range of temperatures than EPDM 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 | Color | Pkg. Qty. | Pkg. | |
Silicone Rubber | ||||||||||
| No. 6 | 0.120" | 0.250" | 0.083"-0.103" | -100° | 450° | Durometer 60A | Red | 100 | 000000000 | 000000 |
| No. 8 | 0.150" | 0.312" | 0.083"-0.103" | -100° | 450° | Durometer 60A | Red | 50 | 000000000 | 0000 |
| No. 10 | 0.170" | 0.500" | 0.083"-0.103" | -100° | 450° | Durometer 60A | Red | 50 | 000000000 | 00000 |
| No. 12 | 0.195" | 0.562" | 0.083"-0.103" | -100° | 450° | Durometer 60A | Red | 50 | 000000000 | 00000 |
| 1/4" | 0.230" | 0.625" | 0.083"-0.103" | -100° | 450° | Durometer 60A | Red | 50 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.688" | 0.083"-0.103" | -100° | 450° | Durometer 60A | Red | 50 | 000000000 | 00000 |
| 3/8" | 0.355" | 0.812" | 0.083"-0.103" | -100° | 450° | Durometer 60A | Red | 25 | 000000000 | 0000 |
| 1/2" | 0.490" | 1.062" | 0.083"-0.103" | -100° | 450° | Durometer 60A | Red | 25 | 000000000 | 00000 |
| 5/8" | 0.615" | 1.312" | 0.083"-0.103" | -100° | 450° | Durometer 60A | Red | 10 | 000000000 | 0000 |
| 3/4" | 0.740" | 1.500" | 0.083"-0.103" | -100° | 450° | Durometer 60A | Red | 10 | 000000000 | 00000 |
| 1" | 0.990" | 2.000" | 0.083"-0.103" | -100° | 450° | Durometer 60A | Red | 10 | 000000000 | 00000 |
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 | 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. 8 | 0.150" | 0.312" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 25 | 000000000 | 0000 |
| No. 10 | 0.170" | 0.500" | 0.052"-0.072" | -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 |
| 1/4" | 0.230" | 0.625" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 0000 |
| 5/16" | 0.290" | 0.688" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 10 | 000000000 | 0000 |
| 3/8" | 0.355" | 0.812" | 0.052"-0.072" | -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 |
| 5/8" | 0.615" | 1.312" | 0.052"-0.072" | -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 |
| 1" | 0.990" | 2.000" | 0.052"-0.072" | -60° | 400° | Durometer 60A | Blue | 1 | 000000000 | 0000 |
Santoprene Rubber | ||||||||||
| No. 6 | 0.120" | 0.250" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 100 | 000000000 | 00000 |
| No. 8 | 0.150" | 0.312" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 100 | 000000000 | 00000 |
| No. 10 | 0.170" | 0.500" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 0000 |
| No. 12 | 0.195" | 0.562" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 0000 |
| 1/4" | 0.230" | 0.625" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 50 | 000000000 | 0000 |
| 5/16" | 0.290" | 0.688" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 50 | 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 | Black | 25 | 000000000 | 00000 |
| 5/8" | 0.615" | 1.312" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 25 | 000000000 | 00000 |
| 3/4" | 0.740" | 1.500" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 25 | 000000000 | 00000 |
| 1" | 0.990" | 2.000" | 0.068"-0.088" | -40° | 270° | Durometer 64A | Black | 10 | 000000000 | 0000 |
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.
Viton® fluoroelastomer washers withstand oil, chemicals, and high temperatures better than neoprene 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 | Color | Pkg. Qty. | Pkg. | |
Viton® Fluoroelastomer Rubber | ||||||||||
| No. 6 | 0.120" | 0.250" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 50 | 000000000 | 000000 |
| No. 8 | 0.150" | 0.312" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 50 | 000000000 | 00000 |
| No. 8 | 0.150" | 0.438" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 25 | 000000000 | 0000 |
| No. 10 | 0.170" | 0.375" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 50 | 000000000 | 00000 |
| No. 10 | 0.170" | 0.500" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 25 | 000000000 | 00000 |
| No. 12 | 0.195" | 0.438" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 25 | 000000000 | 0000 |
| No. 12 | 0.195" | 0.562" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 25 | 000000000 | 00000 |
| No. 14 | 0.230" | 0.500" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 25 | 000000000 | 00000 |
| No. 14 | 0.230" | 0.625" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 10 | 000000000 | 0000 |
| 1/4" | 0.230" | 0.625" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 10 | 000000000 | 0000 |
| 5/16" | 0.290" | 0.562" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 25 | 000000000 | 0000 |
| 5/16" | 0.290" | 0.688" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 10 | 000000000 | 0000 |
| 3/8" | 0.355" | 0.625" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 10 | 000000000 | 0000 |
| 3/8" | 0.355" | 0.812" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 10 | 000000000 | 0000 |
| 1/2" | 0.490" | 1.062" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 5 | 000000000 | 0000 |
| 5/8" | 0.615" | 1.312" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 5 | 000000000 | 00000 |
| 3/4" | 0.740" | 1.500" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 1 | 000000000 | 0000 |
| 1" | 0.990" | 2.000" | 0.052"-0.072" | -10° | 400° | Durometer 75A | Black | 1 | 000000000 | 0000 |
Moisture-Resistant Cushioning Washers
These polyurethane washers withstand wet conditions as well as sunlight, ozone, and some chemicals. Use them to cushion joints 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. | |
Polyurethane Rubber | ||||||||||
| No. 6 | 0.141" | 0.250" | 0.060"-0.067" | -10° | 150° | Durometer 70A | Clear | 25 | 000000000 | 00000 |
| No. 8 | 0.171" | 0.313" | 0.060"-0.067" | -10° | 150° | Durometer 70A | Clear | 50 | 000000000 | 00000 |
| No. 10 | 0.190" | 0.375" | 0.060"-0.067" | -10° | 150° | Durometer 70A | Clear | 100 | 000000000 | 00000 |
| No. 10 | 0.203" | 0.562" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 25 | 000000000 | 0000 |
| No. 12 | 0.200" | 0.438" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 10 | 000000000 | 0000 |
| 1/4" | 0.257" | 0.500" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 25 | 000000000 | 0000 |
| 1/4" | 0.281" | 0.750" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 10 | 000000000 | 0000 |
| 1/4" | 0.281" | 1.000" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 5 | 000000000 | 0000 |
| 5/16" | 0.317" | 0.562" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 25 | 000000000 | 00000 |
| 3/8" | 0.380" | 0.625" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 10 | 000000000 | 0000 |
| 3/8" | 0.406" | 1.000" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 5 | 000000000 | 0000 |
| 3/8" | 0.406" | 1.250" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 5 | 000000000 | 0000 |
| 3/8" | 0.406" | 2.250" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 0000 |
| 1/2" | 0.530" | 1.000" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 5 | 000000000 | 0000 |
| 1/2" | 0.530" | 1.250" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 5 | 000000000 | 0000 |
| 1/2" | 0.530" | 1.375" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 5 | 000000000 | 0000 |
| 1/2" | 0.530" | 1.500" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 5 | 000000000 | 0000 |
| 1/2" | 0.530" | 2.250" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 0000 |
| 1/2" | 0.530" | 3.000" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 0000 |
| 5/8" | 0.656" | 1.750" | 0.085"-0.101" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 0000 |
| 5/8" | 0.656" | 2.250" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 0000 |
| 5/8" | 0.656" | 3.000" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 00000 |
| 3/4" | 0.812" | 1.250" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 0000 |
| 3/4" | 0.812" | 2.000" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 5 | 000000000 | 0000 |
| 3/4" | 0.812" | 2.250" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 0000 |
| 3/4" | 0.812" | 3.000" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 00000 |
| 7/8" | 0.938" | 2.250" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 0000 |
| 7/8" | 0.938" | 3.000" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 00000 |
| 1" | 1.063" | 2.000" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 0000 |
| 1" | 1.063" | 2.250" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 0000 |
| 1" | 1.063" | 2.500" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 0000 |
| 1" | 1.063" | 3.000" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 00000 |
| 1 1/4" | 1.312" | 3.000" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 00000 |
| 1 1/2" | 1.625" | 2.500" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 0000 |
| 1 1/2" | 1.625" | 3.000" | 0.110"-0.140" | -10° | 150° | Durometer 70A | Clear | 1 | 000000000 | 00000 |