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Mil. Spec. Plastic Washers
Choose these washers for their adherence to strict military standards for material and construction. They have a good mix of strength and electrical insulating properties. Exposure to moisture may cause them to expand.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Screw Size | ID | OD | Thick. | Min. | Max. | Specifications Met | Color | Pkg. Qty. | Pkg. | |
Nylon Plastic | ||||||||||
NAS 1515 | ||||||||||
| No. 2 | 0.105" | 0.250" | 0.021"-0.041" | -40° | 180° | NAS 1515-H02L | White | 100 | 000000000 | 00000 |
| No. 2 | 0.105" | 0.250" | 0.053"-0.073" | -40° | 180° | NAS 1515-H02 | White | 100 | 000000000 | 0000 |
| No. 4 | 0.125" | 0.312" | 0.021"-0.041" | -40° | 180° | NAS 1515-H04L | White | 100 | 000000000 | 0000 |
| No. 4 | 0.125" | 0.312" | 0.053"-0.073" | -40° | 180° | NAS 1515-H04 | White | 100 | 000000000 | 00000 |
| No. 6 | 0.149" | 0.375" | 0.021"-0.041" | -40° | 180° | NAS 1515-H06L | White | 50 | 000000000 | 0000 |
| No. 6 | 0.149" | 0.375" | 0.053"-0.073" | -40° | 180° | NAS 1515-H06 | White | 50 | 000000000 | 0000 |
| No. 8 | 0.174" | 0.375" | 0.021"-0.041" | -40° | 180° | NAS 1515-H08L | White | 50 | 000000000 | 0000 |
| No. 8 | 0.174" | 0.375" | 0.053"-0.073" | -40° | 180° | NAS 1515-H08 | White | 50 | 000000000 | 0000 |
| No. 10 | 0.203" | 0.438" | 0.021"-0.041" | -40° | 180° | NAS 1515-H3L | White | 50 | 000000000 | 0000 |
| No. 10 | 0.203" | 0.438" | 0.053"-0.073" | -40° | 180° | NAS 1515-H3 | White | 50 | 000000000 | 0000 |
| No. 10 | 0.203" | 0.438" | 0.084"-0.104" | -40° | 180° | NAS 1515-H3H | White | 50 | 000000000 | 0000 |
| 1/4" | 0.265" | 0.500" | 0.021"-0.041" | -40° | 180° | NAS 1515-H4L | White | 50 | 000000000 | 0000 |
| 1/4" | 0.265" | 0.500" | 0.053"-0.073" | -40° | 180° | NAS 1515-H4 | White | 50 | 000000000 | 0000 |
| 1/4" | 0.265" | 0.500" | 0.084"-0.104" | -40° | 180° | NAS 1515-H4H | White | 50 | 000000000 | 0000 |
| 5/16" | 0.328" | 0.562" | 0.021"-0.041" | -40° | 180° | NAS 1515-H5L | White | 50 | 000000000 | 0000 |
| 5/16" | 0.328" | 0.562" | 0.053"-0.073" | -40° | 180° | NAS 1515-H5 | White | 50 | 000000000 | 0000 |
| 5/16" | 0.328" | 0.562" | 0.084"-0.104" | -40° | 180° | NAS 1515-H5H | White | 50 | 000000000 | 00000 |
| 3/8" | 0.390" | 0.625" | 0.021"-0.041" | -40° | 180° | NAS 1515-H6L | White | 50 | 000000000 | 0000 |
| 3/8" | 0.390" | 0.625" | 0.053"-0.073" | -40° | 180° | NAS 1515-H6 | White | 50 | 000000000 | 0000 |
| 3/8" | 0.390" | 0.625" | 0.084"-0.104" | -40° | 180° | NAS 1515-H6H | White | 50 | 000000000 | 00000 |
| 7/16" | 0.453" | 0.750" | 0.021"-0.041" | -40° | 180° | NAS 1515-H7L | White | 50 | 000000000 | 0000 |
| 7/16" | 0.453" | 0.750" | 0.053"-0.073" | -40° | 180° | NAS 1515-H7 | White | 50 | 000000000 | 0000 |
| 7/16" | 0.453" | 0.750" | 0.084"-0.104" | -40° | 180° | NAS 1515-H7H | White | 50 | 000000000 | 00000 |
| 1/2" | 0.515" | 0.875" | 0.021"-0.041" | -40° | 180° | NAS 1515-H8L | White | 50 | 000000000 | 00000 |
| 1/2" | 0.515" | 0.875" | 0.053"-0.073" | -40° | 180° | NAS 1515-H8 | White | 50 | 000000000 | 00000 |
| 1/2" | 0.515" | 0.875" | 0.084"-0.104" | -40° | 180° | NAS 1515-H8H | White | 50 | 000000000 | 00000 |
| 9/16" | 0.578" | 1.062" | 0.021"-0.041" | -40° | 180° | NAS 1515-H9L | White | 25 | 000000000 | 0000 |
| 9/16" | 0.578" | 1.062" | 0.053"-0.073" | -40° | 180° | NAS 1515-H9 | White | 25 | 000000000 | 0000 |
| 9/16" | 0.578" | 1.062" | 0.084"-0.104" | -40° | 180° | NAS 1515-H9H | White | 25 | 000000000 | 0000 |
| 5/8" | 0.640" | 1.188" | 0.021"-0.041" | -40° | 180° | NAS 1515-H10L | White | 25 | 000000000 | 0000 |
| 5/8" | 0.640" | 1.188" | 0.053"-0.073" | -40° | 180° | NAS 1515-H10 | White | 25 | 000000000 | 0000 |
| 5/8" | 0.640" | 1.188" | 0.084"-0.104" | -40° | 180° | NAS 1515-H10H | White | 10 | 000000000 | 0000 |
| 3/4" | 0.765" | 1.312" | 0.021"-0.041" | -40° | 180° | NAS 1515-H12L | White | 25 | 000000000 | 00000 |
| 3/4" | 0.765" | 1.312" | 0.053"-0.073" | -40° | 180° | NAS 1515-H12 | White | 25 | 000000000 | 00000 |
| 3/4" | 0.765" | 1.312" | 0.084"-0.104" | -40° | 180° | NAS 1515-H12H | White | 10 | 000000000 | 0000 |
| 7/8" | 0.890" | 1.500" | 0.021"-0.041" | -40° | 180° | NAS 1515-H14L | White | 10 | 000000000 | 0000 |
| 7/8" | 0.890" | 1.500" | 0.053"-0.073" | -40° | 180° | NAS 1515-H14 | White | 10 | 000000000 | 0000 |
| 7/8" | 0.890" | 1.500" | 0.084"-0.104" | -40° | 180° | NAS 1515-H14H | White | 10 | 000000000 | 0000 |
| 1" | 1.015" | 1.750" | 0.021"-0.041" | -40° | 180° | NAS 1515-H16L | White | 10 | 000000000 | 0000 |
| 1" | 1.015" | 1.750" | 0.053"-0.073" | -40° | 180° | NAS 1515-H16 | White | 10 | 000000000 | 0000 |
| 1" | 1.015" | 1.750" | 0.084"-0.104" | -40° | 180° | NAS 1515-H16H | White | 10 | 000000000 | 00000 |
Mil. Spec. Chemical-Resistant Plastic Washers
Choose these washers for their adherence to strict military standards for material and construction. They surpass most other plastic washers when it comes to withstanding chemicals, oil, and grease. Made from PTFE, these washers withstand high temperatures and have a slippery surface that resists wear in high-friction applications. They are excellent electrical insulators.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Thick. | Max. Temperature, °F | Specifications Met | Color | Pkg. Qty. | Pkg. | |
PTFE Plastic | |||||||||
|---|---|---|---|---|---|---|---|---|---|
NAS 1515 | |||||||||
| 1/4" | 0.265" | 0.500" | 0.057"-0.075" | 500° | NAS 1515-M4 | White | 5 | 000000000 | 00000 |
| 5/16" | 0.328" | 0.562" | 0.057"-0.075" | 500° | NAS 1515-M5 | White | 5 | 000000000 | 0000 |
| 3/8" | 0.390" | 0.625" | 0.057"-0.075" | 500° | NAS 1515-M6 | White | 5 | 000000000 | 0000 |
| 7/16" | 0.453" | 0.750" | 0.057"-0.075" | 500° | NAS 1515-M7 | White | 5 | 000000000 | 0000 |
| 1/2" | 0.515" | 0.875" | 0.057"-0.075" | 500° | NAS 1515-M8 | White | 5 | 000000000 | 0000 |
| 9/16" | 0.578" | 1.062" | 0.057"-0.075" | 500° | NAS 1515-M9 | White | 5 | 000000000 | 00000 |
| 5/8" | 0.640" | 1.188" | 0.057"-0.075" | 500° | NAS 1515-M10 | White | 5 | 000000000 | 00000 |
| 3/4" | 0.765" | 1.312" | 0.057"-0.075" | 500° | NAS 1515-M12 | White | 5 | 000000000 | 00000 |
| 7/8" | 0.890" | 1.500" | 0.057"-0.075" | 500° | NAS 1515-M14 | White | 5 | 000000000 | 00000 |
| 1" | 1.015" | 1.750" | 0.057"-0.075" | 500° | NAS 1515-M16 | White | 5 | 000000000 | 00000 |