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 | Flat |
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 | Round |
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About Washers
More
Electrical-Insulating Plastic Washers
These washers are excellent electrical insulators.
Phenolic washers have low moisture absorption, so they won’t expand or become brittle over time. Color ranges from red-brown to yellow-brown.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Screw Size | ID | OD | Thick. | Min. | Max. | Hardness | Specifications Met | Color | Pkg. Qty. | Pkg. | |
Phenolic Plastic | |||||||||||
| No. 0 | 0.065" | 0.188" | 0.008"-0.012" | Not Rated | 250° | Rockwell M95 | __ | Brown | 5 | 000000000 | 00000 |
| No. 2 | 0.090" | 0.250" | 0.027"-0.035" | Not Rated | 250° | Rockwell M95 | __ | Brown | 5 | 000000000 | 0000 |
| No. 4 | 0.125" | 0.312" | 0.056"-0.070" | Not Rated | 250° | Rockwell M95 | __ | Brown | 5 | 000000000 | 0000 |
| No. 5 | 0.140" | 0.281" | 0.027"-0.035" | Not Rated | 250° | Rockwell M95 | __ | Brown | 5 | 000000000 | 0000 |
| No. 6 | 0.152" | 0.500" | 0.056"-0.070" | Not Rated | 250° | Rockwell M95 | __ | Brown | 5 | 000000000 | 0000 |
| No. 10 | 0.202" | 0.632" | 0.056"-0.070" | Not Rated | 250° | Rockwell M95 | __ | Brown | 5 | 000000000 | 0000 |
| No. 12 | 0.219" | 0.375" | 0.027"-0.035" | Not Rated | 250° | Rockwell M95 | __ | Brown | 5 | 000000000 | 0000 |
| 1/4" | 0.282" | 0.625" | 0.056"-0.070" | Not Rated | 250° | Rockwell M95 | ASME B18.21.1 | Brown | 5 | 000000000 | 0000 |
| 5/16" | 0.385" | 0.625" | 0.056"-0.070" | Not Rated | 250° | Rockwell M95 | __ | Brown | 5 | 000000000 | 0000 |
| 7/16" | 0.443" | 0.750" | 0.057"-0.067" | Not Rated | 250° | Rockwell M95 | __ | Brown | 5 | 000000000 | 0000 |
| 1/2" | 0.505" | 0.750" | 0.057"-0.067" | Not Rated | 250° | Rockwell M95 | __ | Brown | 5 | 000000000 | 0000 |
| 9/16" | 0.625" | 1.500" | 0.085"-0.101" | Not Rated | 250° | Rockwell M95 | __ | Brown | 5 | 000000000 | 0000 |
| 5/8" | 0.656" | 1.500" | 0.085"-0.101" | Not Rated | 250° | Rockwell M95 | __ | Brown | 5 | 000000000 | 0000 |
| 3/4" | 0.812" | 1.500" | 0.085"-0.101" | Not Rated | 250° | Rockwell M95 | __ | Brown | 5 | 000000000 | 0000 |
| 7/8" | 0.935" | 1.750" | 0.115"-0.135" | Not Rated | 250° | Rockwell M95 | ASME B18.21.1 | Brown | 5 | 000000000 | 0000 |
Metric Electrical-Insulating Plastic Washers
These washers are excellent electrical insulators.
Phenolic washers have low moisture absorption, so they won’t expand or become brittle over time. Color ranges from red-brown to yellow-brown.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID, mm | OD, mm | Thick., mm | Max. Temperature, °F | Hardness | Color | Pkg. Qty. | Pkg. | |
Phenolic Plastic | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| M2 | 2.2 | 5.0 | 0.7-0.9 | 250° | Rockwell M95 | Brown | 10 | 000000000 | 000000 |
| M4 | 4.3 | 9.0 | 0.7-0.9 | 250° | Rockwell M95 | Brown | 10 | 000000000 | 00000 |
| M5 | 5.3 | 11.0 | 0.9-1.1 | 250° | Rockwell M95 | Brown | 10 | 000000000 | 00000 |
| M6 | 6.4 | 12.0 | 1.4-1.7 | 250° | Rockwell M95 | Brown | 10 | 000000000 | 00000 |
Electrical-Insulating Unthreaded Spacers
Garolite
Protect components from electrical charges.
Garolite spacers combine high strength and low moisture absorption.
For technical drawings and 3-D models, click on a part number.
| Lg. | For Screw Size | ID | Dielectric Strength, V/mil | Temperature Range, °F | Color | Specifications Met | Pkg. Qty. | Pkg. | |
G-10/FR4 Garolite | |||||||||
|---|---|---|---|---|---|---|---|---|---|
3/16" OD | |||||||||
| 3/16" | No. 4 | 0.115" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 00000 |
| 1/4" | No. 4 | 0.115" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 5/16" | No. 4 | 0.115" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/8" | No. 4 | 0.115" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/2" | No. 4 | 0.115" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
1/4" OD | |||||||||
| 3/16" | No. 4 | 0.115" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/16" | No. 6 | 0.140" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/4" | No. 4 | 0.115" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/4" | No. 6 | 0.140" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 5/16" | No. 4 | 0.115" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 5/16" | No. 6 | 0.140" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/8" | No. 4 | 0.115" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/8" | No. 6 | 0.140" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/2" | No. 4 | 0.115" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/2" | No. 6 | 0.140" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/2" | No. 8 | 0.167" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/4" | No. 6 | 0.140" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/4" | No. 8 | 0.167" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1" | No. 6 | 0.140" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1" | No. 8 | 0.167" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
5/16" OD | |||||||||
| 3/16" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/4" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 5/16" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/8" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/2" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
3/8" OD | |||||||||
| 1/4" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/8" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/2" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/4" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1 1/2" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
1/2" OD | |||||||||
| 3/16" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/16" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/4" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/4" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 5/16" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/8" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/8" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/2" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/2" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 5/8" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/4" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/4" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 7/8" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1" | No. 10 | 0.192" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1 1/2" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1 3/4" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 2" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
3/4" OD | |||||||||
| 1/2" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/2" | 5/16" | 0.325" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1/2" | 3/8" | 0.385" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/4" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/4" | 5/16" | 0.325" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/4" | 3/8" | 0.385" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1" | 5/16" | 0.325" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1" | 3/8" | 0.385" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1 1/2" | 5/16" | 0.325" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1 1/2" | 3/8" | 0.385" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1 3/4" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1 3/4" | 5/16" | 0.325" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1 3/4" | 3/8" | 0.385" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 2" | 1/4" | 0.260" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 00000 |
| 2" | 5/16" | 0.325" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 2" | 3/8" | 0.385" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 2 1/2" | 3/8" | 0.385" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 2 3/4" | 3/8" | 0.385" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3" | 3/8" | 0.385" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 00000 |
1" OD | |||||||||
| 1/2" | 1/2" | 0.510" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 3/4" | 1/2" | 0.510" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1" | 1/2" | 0.510" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1 1/2" | 1/2" | 0.510" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 1 3/4" | 1/2" | 0.510" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 2" | 1/2" | 0.510" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 0000 |
| 2 1/2" | 1/2" | 0.510" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 00000 |
| 2 3/4" | 1/2" | 0.510" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 00000 |
| 3" | 1/2" | 0.510" | 400 | 0° to 300° | Green | MIL-I-24768/27 | 1 | 000000000 | 00000 |