Made in America to exacting tolerances, only Neway Conical Back-Up Washers promise unmatched consistency for easy assembly and leak-free fittings every time. Neway Conical Back-Up Washers are available in a wide selection of materials including stainless steel, cold rolled, brass, aluminum and more. Customer specified finishes and stocking programs are also available. We invite you to work with our engineering staff to design conical washers in custom sizes to meet your specific requirements. |
Conical Backup Washers - Metric Sizes
Metric | Tube | D * | E * | F (deg) | |
No. Size | O.D. (mm) | I.D. (Min + .015) | O.D. (Max - 0.15) | Angle Ref. (± 1°) | |
M-8 | 6.4 | 0.315 | 0.492 | 42° 30' | |
M-10 | 8.4 | 0.394 | 0.571 | 42° 30' | |
M-12 | 9.7 | 0.472 | 0.688 | 33° 15' | |
M-14 | 11.7 | 0.551 | 0.768 | 33° 15' | |
M-16 | 13.7 | 0.630 | 0.886 | 36° 45' | |
M-18 | 15.7 | 0.709 | 0.963 | 37° 00' | |
M-22 | 17.7 | 0.868 | 1.084 | 28° 30' | |
M-27 | 19.7 | 1.062 | 1.279 | 26° 15' | |
M-33 | 24.0 | 1.299 | 1.634 | 34° 45' | |
M-38 | 30.0 | 1.496 | 1.829 | 35° 15' | |
M-42 | 39.0 | 1.654 | 1.984 | 34° 45' | |
M-48 | 45.0 | 1.890 | 2.185 | 44° 30' |
* Dimensions in English units
Conical Backup Washers - S.A.E. Sizes
S.A.E. | Tube O.D. | D | E | F (deg) | |
No. Size | Fraction | Decimal | Min. (+.015) | Max (-0.15) | Angle Ref. (± 1°) |
2 | 1/8" | 0.125 | 0.310 | 0.494 | 30° |
3 | 3/16" | 0.188 | 0.386 | 0.575 | 31° |
4 | 1/4" | 0.250 | 0.440 | 0.652 | 33° |
5 | 5/16" | 0.313 | 0.503 | 0.711 | 31° |
6 | 3/8" | 0.375 | 0.565 | 0.785 | 31° |
8 | 1/2" | 0.500 | 0.755 | 1.002 | 32° |
10 Size A | 5/8" | 0.625 | 0.882 | 1.150 | 31° |
10 Size B | 5/8" | 0.625 | 0.873 | 1.150 | 31° |
12 | 3/4" | 0.750 | 1.073 | 1.438 | 36° |
14 | 7/8" | 0.875 | 1.194 | 1.588 | 39° |
16 | 1" | 1.000 | 1.312 | 1.718 | 39° |
20 | 1-1/4" | 1.250 | 1.652 | 2.155 | 40° |
24 | 1-1/2" | 1.500 | 1.894 | 2.416 | 40° |
32 | 2" | 2.000 | 2.500 | 3.160 | 39° |
For specialty and custom Conical Back-Up Washers, contact Neway today at (440)951-8500