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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 | ||||||||||
MS51859 | ||||||||||
| No. 0 | 0.068" | 0.203" | 0.016" to 0.024" | Not Rated | 180° | MS51859-11 | White | 50 | 000000000 | 000000 |
| No. 1 | 0.079" | 0.162" | 0.016" to 0.024" | Not Rated | 180° | MS51859-12 | White | 50 | 000000000 | 00000 |
| No. 2 | 0.098" | 0.203" | 0.025" to 0.035" | Not Rated | 180° | MS51859-1 | White | 50 | 000000000 | 00000 |
| No. 2 | 0.098" | 0.260" | 0.011" to 0.021" | Not Rated | 180° | MS51859-13 | White | 100 | 000000000 | 00000 |
| No. 4 | 0.127" | 0.297" | 0.031" to 0.049" | Not Rated | 180° | MS51859-2 | White | 250 | 000000000 | 00000 |
| No. 4 | 0.127" | 0.350" | 0.025" to 0.035" | Not Rated | 180° | MS51859-14 | White | 100 | 000000000 | 00000 |
| No. 6 | 0.160" | 0.328" | 0.031" to 0.049" | Not Rated | 180° | MS51859-3 | White | 100 | 000000000 | 00000 |
| No. 8 | 0.192" | 0.406" | 0.031" to 0.065" | Not Rated | 180° | MS51859-4 | White | 100 | 000000000 | 00000 |
| No. 10 | 0.225" | 0.469" | 0.031" to 0.065" | Not Rated | 180° | MS51859-5 | White | 100 | 000000000 | 00000 |
| 1/4" | 0.290" | 0.572" | 0.056" to 0.070" | Not Rated | 180° | MS51859-17 | White | 50 | 000000000 | 00000 |
| 1/4" | 0.290" | 0.688" | 0.040" to 0.065" | Not Rated | 180° | MS51859-6 | White | 50 | 000000000 | 00000 |
| 1/4" | 0.290" | 0.890" | 0.025" to 0.035" | Not Rated | 180° | MS51859-18 | White | 50 | 000000000 | 00000 |
| 5/16" | 0.355" | 0.708" | 0.040" to 0.065" | Not Rated | 180° | MS51859-7 | White | 50 | 000000000 | 0000 |
| 3/8" | 0.420" | 0.832" | 0.040" to 0.065" | Not Rated | 180° | MS51859-8 | White | 50 | 000000000 | 00000 |
| 7/16" | 0.484" | 0.942" | 0.040" to 0.065" | Not Rated | 180° | MS51859-9 | White | 25 | 000000000 | 00000 |
| 1/2" | 0.546" | 1.082" | 0.040" to 0.065" | Not Rated | 180° | MS51859-10 | White | 10 | 000000000 | 0000 |
| 1/2" | 0.546" | 1.630" | 0.015" to 0.025" | Not Rated | 180° | MS51859-22 | White | 10 | 000000000 | 0000 |
NAS1515 | ||||||||||
| No. 2 | 0.105" | 0.250" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H02L | White | 100 | 000000000 | 00000 |
| No. 2 | 0.105" | 0.250" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H02 | White | 100 | 000000000 | 00000 |
| No. 4 | 0.125" | 0.312" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H04L | White | 100 | 000000000 | 00000 |
| No. 4 | 0.125" | 0.312" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H04 | White | 100 | 000000000 | 00000 |
| No. 6 | 0.149" | 0.375" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H06L | White | 50 | 000000000 | 0000 |
| No. 6 | 0.149" | 0.375" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H06 | White | 50 | 000000000 | 00000 |
| No. 8 | 0.174" | 0.375" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H08L | White | 50 | 000000000 | 0000 |
| No. 8 | 0.174" | 0.375" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H08 | White | 50 | 000000000 | 0000 |
| No. 10 | 0.203" | 0.438" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H3L | White | 50 | 000000000 | 0000 |
| No. 10 | 0.203" | 0.438" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H3 | White | 50 | 000000000 | 00000 |
| No. 10 | 0.203" | 0.438" | 0.084" to 0.104" | Not Rated | 180° | NAS1515-H3H | White | 50 | 000000000 | 00000 |
| 1/4" | 0.265" | 0.500" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H4L | White | 50 | 000000000 | 00000 |
| 1/4" | 0.265" | 0.500" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H4 | White | 50 | 000000000 | 00000 |
| 1/4" | 0.265" | 0.500" | 0.084" to 0.104" | Not Rated | 180° | NAS1515-H4H | White | 50 | 000000000 | 00000 |
| 5/16" | 0.328" | 0.562" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H5L | White | 50 | 000000000 | 0000 |
| 5/16" | 0.328" | 0.562" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H5 | White | 50 | 000000000 | 00000 |
| 5/16" | 0.328" | 0.562" | 0.084" to 0.104" | Not Rated | 180° | NAS1515-H5H | White | 50 | 000000000 | 00000 |
| 3/8" | 0.390" | 0.625" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H6L | White | 50 | 000000000 | 00000 |
| 3/8" | 0.390" | 0.625" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H6 | White | 50 | 000000000 | 00000 |
| 3/8" | 0.390" | 0.625" | 0.084" to 0.104" | Not Rated | 180° | NAS1515-H6H | White | 50 | 000000000 | 00000 |
| 7/16" | 0.453" | 0.750" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H7L | White | 50 | 000000000 | 00000 |
| 7/16" | 0.453" | 0.750" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H7 | White | 50 | 000000000 | 00000 |
| 7/16" | 0.453" | 0.750" | 0.084" to 0.104" | Not Rated | 180° | NAS1515-H7H | White | 50 | 000000000 | 00000 |
| 1/2" | 0.515" | 0.875" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H8L | White | 50 | 000000000 | 00000 |
| 1/2" | 0.515" | 0.875" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H8 | White | 50 | 000000000 | 00000 |
| 1/2" | 0.515" | 0.875" | 0.084" to 0.104" | Not Rated | 180° | NAS1515-H8H | White | 50 | 000000000 | 00000 |
| 9/16" | 0.578" | 1.062" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H9L | White | 25 | 000000000 | 0000 |
| 9/16" | 0.578" | 1.062" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H9 | White | 25 | 000000000 | 0000 |
| 9/16" | 0.578" | 1.062" | 0.084" to 0.104" | Not Rated | 180° | NAS1515-H9H | White | 25 | 000000000 | 00000 |
| 5/8" | 0.640" | 1.188" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H10L | White | 25 | 000000000 | 00000 |
| 5/8" | 0.640" | 1.188" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H10 | White | 25 | 000000000 | 00000 |
| 5/8" | 0.640" | 1.188" | 0.084" to 0.104" | Not Rated | 180° | NAS1515-H10H | White | 10 | 000000000 | 0000 |
| 3/4" | 0.765" | 1.312" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H12L | White | 25 | 000000000 | 00000 |
| 3/4" | 0.765" | 1.312" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H12 | White | 25 | 000000000 | 00000 |
| 3/4" | 0.765" | 1.312" | 0.084" to 0.104" | Not Rated | 180° | NAS1515-H12H | White | 10 | 000000000 | 0000 |
| 7/8" | 0.890" | 1.500" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H14L | White | 10 | 000000000 | 0000 |
| 7/8" | 0.890" | 1.500" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H14 | White | 10 | 000000000 | 0000 |
| 7/8" | 0.890" | 1.500" | 0.084" to 0.104" | Not Rated | 180° | NAS1515-H14H | White | 10 | 000000000 | 0000 |
| 1" | 1.015" | 1.750" | 0.021" to 0.041" | Not Rated | 180° | NAS1515-H16L | White | 10 | 000000000 | 0000 |
| 1" | 1.015" | 1.750" | 0.053" to 0.073" | Not Rated | 180° | NAS1515-H16 | White | 10 | 000000000 | 0000 |
| 1" | 1.015" | 1.750" | 0.084" to 0.104" | Not Rated | 180° | NAS1515-H16H | White | 10 | 000000000 | 00000 |