Nylon/Plastic/Rubber is highly resistant to sun, ozone,weathering and aging. It performs well when exposed to oils, fuels and other chemicals. Washers made from this material are mainly used to prevent leaks and distribute pressure. SILICONE RUBBER washers are included in the following charts. This material provides a combination of high strength, resilience, toughness, stability at high temperature ranges and resistance to a multitude of chemical elements. METAL BONDED-Nylon/Plastic/Rubber washers,bonded to Steel and Stainless Steel Conical Washers, are also available.

Screw
Size		 I.D. O.D. Thick Alternate
Part Number
1 0.086 0.329 0.031
2 0.09 0.2 0.031
3 0.105 0.25 0.031 NAS1515-02L
3 0.105 0.25 0.062 NAS1515-02
4 0.125 0.218 0.02
4 0.125 0.312 0.031 NAS1515-04L
4 0.125 0.312 0.062 NAS1515-04
4 0.125 0.5 0.125
4 0.125 1 0.062
5 0.14 0.375 0.032
5 0.145 0.375 0.062
5 0.145 0.39 0.062
6 0.149 0.375 0.031 NAS1515-06L
6 0.149 0.375 0.062 NAS1515-06
6 0.149 0.385 0.031
6 0.149 0.645 0.031
6 0.149 0.645 0.062
6 0.155 0.645 0.042
6 0.16 0.405 0.071
6 0.165 0.875 0.125
8 0.174 0.375 0.031 NAS1515-08L
8 0.174 0.375 0.062 NAS1515-08
8 0.174 0.44 0.062
8 0.174 0.44 0.1
8 0.174 0.515 0.031
8 0.18 0.51 0.031
8 0.18 0.875 0.075
8 0.187 0.312 0.062
8 0.187 0.375 0.031 50-14-1-6-3
8 0.187 0.5 0.062 50-14-2-6-4
10 0.203 0.438 0.031 NAS1515-D3L
10 0.203 0.438 0.062 NAS1515-3
10 0.203 0.438 0.094 NAS1515-3H
10 0.203 0.555 0.062
10 0.203 0.75 0.125
10 0.218 1 0.031 51-14-1-7-8
10 0.22 0.6 1.25
12 0.25 0.345 0.125
12 0.24 0.5 0.125
1/4 0.25 0.5 0.062
1/4 0.25 0.5 0.094 50-14-3-8-4
1/4 0.25 0.555 0.125
1/4 0.25 0.625 0.094
1/4 0.25 1 0.125 50-14-4-8-8
1/4 0.265 0.5 0.031 NAS1515-4L
1/4 0.265 0.5 0.062 NAS1515-4
1/4 0.265 0.5 0.094 NAS1515-4H
1/4 0.265 0.687 0.125
1/4 0.281 0.5 0.125 50-14-4-9-4
1/4 0.281 0.75 0.125 BACW10P15R80
5/16 0.312 0.5 0.062
5/16 0.312 0.875 0.094
5/16 0.328 0.562 0.031 NAS1515-5L
5/16 0.328 0.562 0.062 NAS1515-5
5/16 0.328 0.562 0.094 NAS1515-5H
5/16 0.342 1.625 0.063
5/16 0.358 0.825 0.073
3/8 0.385 0.75 0.031
3/8 0.385 0.75 0.073
3/8 0.39 0.625 0.031 NAS1515-6L
3/8 0.39 0.625 0.062 NAS1515-6
3/8 0.39 0.625 0.094 NAS1515-6H
3/8 0.39 1.105 0.031
3/8 0.396 0.615 0.051
3/8 0.43 0.875 0.125
3/8 0.435 0.625 0.105
3/8 0.435 0.812 0.062
7/16 0.453 0.75 0.031 NAS1515-7L
7/16 0.453 0.75 0.062 NAS1515-7
7/16 0.453 0.75 0.093 NAS1515-7H
7/16 0.468 0.875 0.062 50-14-2-15-7
7/16 0.485 0.828 0.25
1/2 0.5 0.688 0.062
1/2 0.5 0.75 0.031
1/2 0.5 0.75 0.125
1/2 0.5 1.125 0.125
1/2 0.5 1.5 0.093 50-14-3-16-12
1/2 0.5 2 0.093 131CY
1/2 0.515 0.875 0.031 NAS1515-8L
1/2 0.515 0.875 0.062 NAS1515-8
1/2 0.515 0.875 0.094 NAS1515-8H
1/2 0.525 0.6 0.05
1/2 0.525 0.7 0.062 BACW10P8R40
1/2 0.525 1.135 0.14
1/2 0.545 0.935 0.062
9/16 0.578 1.062 0.031 BACW10DPL916
9/16 0.578 1.062 0.062 NAS1515-9
9/16 0.578 1.062 0.094 NAS1515-9H
5/8 0.625 0.75 0.062
5/8 0.64 1.188 0.031 NAS1515-10L
5/8 0.64 1.188 0.062 NAS1515-10
5/8 0.64 1.188 0.094 NAS1515-10H
3/4 0.75 0.95 0.062
3/4 0.765 1.312 0.031 NAS1515-12L
3/4 0.765 1.312 0.062 NAS1515-12
3/4 0.765 1.312 0.094 NAS1515-12H
7/8 0.812 1.21 0.092
7/8 0.875 1.125 0.062 50-14-2-28-9
7/8 0.89 1.5 0.062 NAS1515-14
1″ 1 2.25 0.125 50-14-4-32-18
1″ 1.015 1.75 0.062 NAS1515-16
1″ 1.11 1.562 0.125
1-5/16 1.312 1.75 0.062 50-14-2-42-14