| O-Rings (page 2.1 of 4) |
 |
AEROSPACE STANDARD 568 DASH NUMBERS
(-001 thru -050) (-102 thru -150) (-151 thru -219) (-220 thru -269)
(-270 thru -341) (-342 thru -391) (-392 thru -475)
The following is a list of o-ring sizes published by the Society of Automotive Engineers and are designated by dash numbers.
 |
Example:
ID (inside diameter) of .362" + .007"
and W (cross section) of .103" + is
designated as AS 568-110 |
| (A) = Size Reference (B) = Volume Cubic Inches (C) = Volume Cubic Centimeters |
| |
Nominal Size Inches |
Actual Size Inches |
Actual Size Millimeters |
| (A) |
I.D. |
O.D. |
W |
I.D. |
W |
(B) |
I.D. |
W |
(C) |
| -001 |
1/32 |
3/32 |
1/32 |
.029 +.004 |
.040+ .003 |
.0003 |
.74 + 0.10 |
1.02 + 0.08 |
.005 |
| -002 |
3/64 |
9/64 |
3/64 |
.042 +.004 |
.050 + .003 |
.0006 |
1.07 + 0.10 |
1.27 + 0.08 |
.010 |
| -003 |
1/16 |
3/16 |
1/16 |
.056 + .004 |
.060 + .003 |
.0010 |
1.42 + 0.10 |
1.53 + 0.08 |
.016 |
| -004 |
5/64 |
13/64 |
1/16 |
.070 + .005 |
.070 + .003 |
.0007 |
1.78 + 0.12 |
1.78 + 0.08 |
.034 |
| -005 |
7/64 |
15/64 |
1/16 |
.101 + .005 |
.070 + .003 |
.0021 |
2.57 + 0.12 |
1.78 + 0.08 |
.034 |
| |
|
|
|
|
|
|
|
|
|
| -006 |
1/8 |
1/4 |
1/16 |
.114 + .005 |
.070 + .003 |
.0022 |
2.90 + 0.12 |
1.78 + 0.08 |
.036 |
| -007 |
5/32 |
9/32 |
1/16 |
.145 + .005 |
.070 + .003 |
.0026 |
3.69 + 0.12 |
1.78 + 0.08 |
.043 |
| -008 |
3/16 |
5/16 |
1/16 |
.176 + .005 |
.070 + .003 |
.0030 |
4.47 + 0.12 |
1.78 + 0.08 |
.049 |
| -009 |
7/32 |
11/32 |
1/16 |
.208 + .005 |
.070 + .003 |
.0034 |
5.29 + 0.12 |
1.78 + 0.08 |
.056 |
| -010 |
1/4 |
3/8 |
1/16 |
.239 + .005 |
.070 + .003 |
.0037 |
6.07 + 0.12 |
1.78 + 0.08 |
.061 |
| |
|
|
|
|
|
|
|
|
|
| -011 |
5/16 |
7/16 |
1/16 |
.301 + .005 |
.070 + .003 |
.0045 |
7.65 + 0.12 |
1.78 + 0.08 |
.074 |
| -012 |
3/8 |
1/2 |
1/16 |
.364 + .005 |
.070 + .003 |
.0052 |
9.25 + 0.12 |
1.78 + 0.08 |
.085 |
| -013 |
7/16 |
9/16 |
1/16 |
.426 + .005 |
.070 + .003 |
.0060 |
10.82 + 0.12 |
1.78 + 0.08 |
.098 |
| -014 |
1/2 |
5/8 |
1/16 |
.489 + .005 |
.070 + .003 |
.0068 |
12.42 + 0.12 |
1.78 + 0.08 |
.111 |
| -015 |
9/16 |
11/16 |
1/16 |
.551 + .007 |
.070 + .003 |
.0075 |
14.00 + 0.17 |
1.78 + 0.08 |
.123 |
| |
|
|
|
|
|
|
|
|
|
| -016 |
5/8 |
3/4 |
1/16 |
.614 + .009 |
.070 + .003 |
.0083 |
15.60 + 0.22 |
1.78 + 0.08 |
.136 |
| -017 |
11/16 |
13/16 |
1/16 |
.676 + .009 |
.070 + .003 |
.0090 |
17.17 + 0.22 |
1.78 + 0.08 |
.147 |
| -018 |
3/4 |
7/8 |
1/16 |
.739 + .009 |
.070 + .003 |
.0098 |
18.77 + 0.22 |
1.78 + 0.08 |
.161 |
| -019 |
13/16 |
15/16 |
1/16 |
.801 + .009 |
.070 + .003 |
.0105 |
20.35 + 0.22 |
1.78 + 0.08 |
.172 |
| -020 |
7/8 |
1 |
1/16 |
.864 + .009 |
.070 + .003 |
.0113 |
21.95 + 0.22 |
1.78 + 0.08 |
.185 |
| |
|
|
|
|
|
|
|
|
|
| -021 |
15/16 |
1-1/16 |
1/16 |
.926 + .009 |
.070 + .003 |
.0120 |
23.52 + 0.22 |
1.78 + 0.08 |
.197 |
| -022 |
1 |
1-1/8 |
1/16 |
.989 + .010 |
.070 + .003 |
.0128 |
25.12 + 0.25 |
1.78 + 0.08 |
.210 |
| -023 |
1-1/16 |
1-3/16 |
1/16 |
1.051 + .010 |
.070 + .003 |
.0136 |
26.70 + 0.25 |
1.78 + 0.08 |
.223 |
| -024 |
1-1/8 |
1-1/4 |
1/16 |
1.114 + .010 |
.070 + .003 |
.0143 |
28.30 + 0.25 |
1.78 + 0.08 |
.234 |
| -025 |
1-3/16 |
1-5/16 |
1/16 |
1.176 + .011 |
.070 + .003 |
.0151 |
29.87 + 0.28 |
1.78 + 0.08 |
.247 |
| |
|
|
|
|
|
|
|
|
|
| -026 |
1-1/4 |
1-3/8 |
1/16 |
1.239 + .011 |
.070 + .003 |
.0158 |
31.47 + 0.28 |
1.78 + 0.08 |
.259 |
| -027 |
1-5/16 |
1-7/16 |
1/16 |
1.301 + .011 |
.070 + .003 |
.0166 |
33.05 + 0.28 |
1.78 + 0.08 |
.272 |
| -028 |
1-3/8 |
1-1/2 |
1/16 |
1.364 + .013 |
.070 + .003 |
.0173 |
34,65 + 0,33 |
1.78 + 0.08 |
.283 |
| -029 |
1-1/2 |
1-5/8 |
1/16 |
1.489 + .013 |
.070+.003 |
.0188 |
37,82 + 0,33 |
1.78 + 0.08 |
.308 |
| -030 |
1-5/8 |
1-3/4 |
1/16 |
1.614 + .013 |
.070 + .003 |
.0204 |
41.00 + 0.33 |
1.78 + 0.08 |
.334 |
| |
|
|
|
|
|
|
|
|
|
| -031 |
1-3/4 |
1-7/8 |
1/16 |
1.739 + .015 |
.070 + .003 |
.0219 |
44.17 + 0.38 |
1.78 + 0.08 |
.359 |
| -032 |
1-7/8 |
2 |
1/16 |
1.864 + .015 |
.070 + .003 |
.0234 |
47.35 + 0.38 |
1.78 + 0.08 |
.383 |
| -033 |
2 |
2-1/8 |
1/16 |
1.989 + .018 |
.070 + .003 |
.0249 |
50.52 + 0.46 |
1.78 + 0.08 |
.408 |
| -034 |
2-1/8 |
2-1/4 |
1/16 |
2.114 + .018 |
.070 + .003 |
.0264 |
53.70 + 0.46 |
1.78 + 0.08 |
.433 |
| -035 |
2-1/8 |
2-3/8 |
1/16 |
2.239 + .018 |
.070 + .003 |
.0279 |
56.87 + 0.46 |
1.78 + 0.08 |
.457 |
| |
|
|
|
|
|
|
|
|
|
| -036 |
2-3/8 |
2-1/2 |
1/16 |
2.364 + .018 |
.070 + .003 |
.0294 |
60.04 + 0.46 |
1.78 + 0.08 |
.482 |
| -037 |
2-1/2 |
2-5/8 |
1/16 |
2.489 + .018 |
.070 + .003 |
.0309 |
63.22 + 0.46 |
1.78 + 0.08 |
.506 |
| -038 |
2-5/8 |
2-3/4 |
1/16 |
2.614 + .020 |
.070 + .003 |
.0325 |
66.40 + 0.50 |
1.78 + 0.08 |
.533 |
| -039 |
2-3/4 |
2-7/8 |
1/16 |
2.739 + .020 |
.070 + .003 |
.0340 |
69.57 + 0.50 |
1.78 + 0.08 |
.557 |
| -040 |
2-7/8 |
3 |
1/16 |
2.864 + .020 |
.070 + .003 |
.0355 |
72.75 + 0.50 |
1.78 + 0.08 |
.582 |
| |
|
|
|
|
|
|
|
|
|
| -041 |
3 |
3-1/8 |
1/16 |
2.989 + .024 |
.070 + .003 |
.0370 |
75.92 + 0.61 |
1.78 + 0.08 |
.606 |
| -042 |
3-1/4 |
3-3/8 |
1/16 |
3.239 + .024 |
.070 + .003 |
.0400 |
82.27 + 0.61 |
1.78 + 0.08 |
.655 |
| -043 |
3-1/2 |
3-5/8 |
1/16 |
3.489 + .024 |
.070 + .003 |
.0430 |
88.62 + 0.61 |
1.78 + 0.08 |
.705 |
| -044 |
3-3/4 |
3-7/8 |
1/16 |
3.739 + .027 |
.070 + .003 |
.0461 |
94.97 + 0.69 |
1.78 + 0.08 |
.755 |
| -045 |
4 |
4-1/8 |
1/16 |
3.989 + .027 |
.070 + .003 |
.0491 |
101.32 + 0.69 |
1.78 + 0.08 |
.805 |
| |
|
|
|
|
|
|
|
|
|
| -046 |
4-1/4 |
4-3/8 |
1/16 |
4.239 + .030 |
.070 + .003 |
.0521 |
107.67 + 0.76 |
1.78 + 0.08 |
.854 |
| -047 |
4-1/2 |
4-5/8 |
1/16 |
4.489 + .030 |
.070 + .003 |
.0551 |
114.02 + 0.76 |
1.78 + 0.08 |
.903 |
| -048 |
4-3/4 |
4-7/8 |
1/16 |
4,739 + .030 |
.070 + .003 |
.0581 |
120.37 + 0.76 |
1.78 + 0.08 |
.952 |
| -049 |
5 |
5-1/8 |
1/16 |
4.989 + .037 |
.070 + .003 |
.0612 |
126.72 + 0.94 |
1.78 + 0.08 |
1.003 |
| -050 |
5-1/4 |
5-3/8 |
1/16 |
5.239 + .037 |
.070 + .003 |
.0642 |
133.07 + 0.94 |
1.78 + 0.08 |
1.052 |
-051 through -101 O-Ring sizes not assigned