1、_SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising theref
2、rom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions.Copyright 2014 SAE International All rights reserved. No part of this pub
3、lication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970
4、(outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AS568DAEROSPACESTANDARDAS568 REV. DIssued 1971-07 Revised 2014-03 Superseding AS568C
5、 Aerospace Size Standard for O-rings RATIONALEThe drawing has been revised to eliminate the parting line projection shown in earlier issues since it is not applicable to an O-ring size standard. 1. SCOPE 1.1 Purpose This SAE Aerospace Standard (AS) specifies the inside diameters, cross-sections, tol
6、erances, and size identificationcodes (dash numbers) for O-rings used in sealing applications and for straight thread tube fitting boss gaskets. The dimensions and tolerances specified in this standard are suitable for any elastomeric material provided that suitable tooling is available. 1.2 Applica
7、tion 1.2.1 This standard is intended to be used in the preparation of Company, Military, or other Standard Drawings for O-rings. Each dash number, which should be appended to an appropriate Drawing or Standard number, identifies one nominal size O-ring only. 1.2.2 No attempt is made in this AS to in
8、dicate which of the O-ring sizes listed under this system should be included in any particular Standard Drawing. Its only purpose is to standardize O-ring sizes and dimensional tolerances and the means of identifying them dimensionally. 2. REFERENCES There are no referenced publications specified he
9、rein. 3. NOTES 3.1 In Table 1, the dash numbers are divided into groups of one hundred, and within each group are sequential and non-significant. Each hundred group, however, identifies the cross section size of the O-rings within the group. For example, all 0.070 inch (1.78 mm) and smaller O-ring c
10、ross sections fall into the group of -001 thru -099. The 0.103 inch (2.62 mm) cross section rings fall into the group of -100 thru -199, and so on. SAE INTERNATIONAL AS568D Page 2 of 15 3.2 Table 2, using the 900 series dash numbers, lists all of the presently standardized straight thread tube fitti
11、ng boss gaskets. This series has traditionally utilized the significant dash numbering system, wherein the dash number designates the tube size in 16ths of an inch. This practice is also followed here, with the exception of the -901, which is intended for a 0.0938 inch (2.38 mm) nominal OD (outside
12、diameter) tube, the 0.0625 inch (1.59 mm) OD tube not being in common aircraft use. 3.3 In the interest of standardization, it is requested that companies or agencies do not use the dash numbers in Table 1 to which sizes have not been assigned. Sizes not assigned are indicated by an asterisk (*). An
13、yone feeling that any special size not now shown is widely enough used to justify standardization should direct such a request to SAE A-6 Committee for coordination. 3.4 Figure 1 illustrates that all diameters of the cross-section should be equal. FIGURE 1 - O-RING DIMENSIONS: WIDTH (W) AND INSIDE D
14、IAMETER (D) 3.5 A change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of t
15、he document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. SAE INTERNATIONAL AS568D Page 3 of 15 TABLE 1 - AEROSPACE SIZE STANDARDS FOR O-RINGS DashNumberIDInchesminIDInchesmaxIDmmminIDmmmaxWInchesminWI
16、nchesmaxWmmminWmmmaxVolume(Ref)CubicInchesVolume(Ref)Cubiccm-001 0.025 0.033 0.64 0.84 0.037 0.043 0.94 1.09 0.0003 0.005 -002 0.038 0.046 0.97 1.17 0.047 0.053 1.19 1.35 0.0006 0.010 -003 0.052 0.060 1.32 1.52 0.057 0.063 1.45 1.60 0.0010 0.016 -004 0.065 0.075 1.65 1.91 0.067 0.073 1.70 1.85 0.001
17、7 0.028 -005 0.096 0.106 2.44 2.69 0.067 0.073 1.70 1.85 0.0021 0.034 -006 0.109 0.119 2.77 3.02 0.067 0.073 1.70 1.85 0.0022 0.036 -007 0.140 0.150 3.56 3.81 0.067 0.073 1.70 1.85 0.0026 0.043 -008 0.171 0.181 4.34 4.60 0.067 0.073 1.70 1.85 0.0030 0.049 -009 0.203 0.213 5.16 5.41 0.067 0.073 1.70
18、1.85 0.0034 0.056 -010 0.234 0.244 5.94 6.20 0.067 0.073 1.70 1.85 0.0037 0.061 -011 0.296 0.306 7.52 7.77 0.067 0.073 1.70 1.85 0.0045 0.074 -012 0.359 0.369 9.12 9.37 0.067 0.073 1.70 1.85 0.0052 0.085 -013 0.421 0.431 10.69 10.95 0.067 0.073 1.70 1.85 0.0060 0.098 -014 0.484 0.494 12.29 12.55 0.0
19、67 0.073 1.70 1.85 0.0068 0.111 -015 0.544 0.558 13.82 14.17 0.067 0.073 1.70 1.85 0.0075 0.123 -016 0.605 0.623 15.37 15.82 0.067 0.073 1.70 1.85 0.0083 0.136 -017 0.667 0.685 16.94 17.40 0.067 0.073 1.70 1.85 0.0090 0.147 -018 0.730 0.748 18.54 19.00 0.067 0.073 1.70 1.85 0.0098 0.161 -019 0.792 0
20、.810 20.12 20.57 0.067 0.073 1.70 1.85 0.0105 0.172 -020 0.855 0.873 21.72 22.17 0.067 0.073 1.70 1.85 0.0113 0.185 -021 0.917 0.935 23.29 23.75 0.067 0.073 1.70 1.85 0.0120 0.197 -022 0.979 0.999 24.87 25.37 0.067 0.073 1.70 1.85 0.0128 0.210 -023 1.041 1.061 26.44 26.95 0.067 0.073 1.70 1.85 0.013
21、6 0.223 -024 1.104 1.124 28.04 28.55 0.067 0.073 1.70 1.85 0.0143 0.234 -025 1.165 1.187 29.59 30.15 0.067 0.073 1.70 1.85 0.0151 0.247 -026 1.228 1.250 31.19 31.75 0.067 0.073 1.70 1.85 0.0158 0.259 -027 1.290 1.312 32.77 33.32 0.067 0.073 1.70 1.85 0.0166 0.272 -028 1.351 1.377 34.32 34.98 0.067 0
22、.073 1.70 1.85 0.0173 0.283 -029 1.476 1.502 37.49 38.15 0.067 0.073 1.70 1.85 0.0188 0.308 -030 1.601 1.627 40.67 41.33 0.067 0.073 1.70 1.85 0.0204 0.334 SAE INTERNATIONAL AS568D Page 4 of 15 TABLE 1 - AEROSPACE SIZE STANDARDS FOR O-RINGS (CONTINUED) DashNumberIDInchesminIDInchesmaxIDmmminIDmmmaxW
23、InchesminWInchesmaxWmmminWmmmaxVolume(Ref)CubicInchesVolume(Ref)Cubiccm-031 1.724 1.754 43.79 44.55 0.067 0.073 1.70 1.85 0.0219 0.359-032 1.849 1.879 46.96 47.73 0.067 0.073 1.70 1.85 0.0234 0.383-033 1.971 2.007 50.06 50.98 0.067 0.073 1.70 1.85 0.0249 0.408-034 2.096 2.132 53.24 54.15 0.067 0.073
24、 1.70 1.85 0.0264 0.433-035 2.221 2.257 56.41 57.33 0.067 0.073 1.70 1.85 0.0279 0.457-036 2.346 2.382 59.59 60.50 0.067 0.073 1.70 1.85 0.0294 0.482-037 2.471 2.507 62.76 63.68 0.067 0.073 1.70 1.85 0.0309 0.506-038 2.594 2.634 65.89 66.90 0.067 0.073 1.70 1.85 0.0325 0.533-039 2.719 2.759 69.06 70
25、.08 0.067 0.073 1.70 1.85 0.0340 0.557-040 2.844 2.884 72.24 73.25 0.067 0.073 1.70 1.85 0.0355 0.582-041 2.965 3.013 75.31 76.53 0.067 0.073 1.70 1.85 0.0370 0.606-042 3.215 3.263 81.66 82.88 0.067 0.073 1.70 1.85 0.0400 0.655-043 3.465 3.513 88.01 89.23 0.067 0.073 1.70 1.85 0.0430 0.705-044 3.712
26、 3.766 94.28 95.66 0.067 0.073 1.70 1.85 0.0461 0.755-045 3.962 4.016 100.63 102.01 0.067 0.073 1.70 1.85 0.0491 0.805-046 4.209 4.269 106.91 108.43 0.067 0.073 1.70 1.85 0.0521 0.854-047 4.459 4.519 113.26 114.78 0.067 0.073 1.70 1.85 0.0551 0.903-048 4.709 4.769 119.61 121.13 0.067 0.073 1.70 1.85
27、 0.0581 0.952-049 4.952 5.026 125.78 127.66 0.067 0.073 1.70 1.85 0.0612 1.003-050 5.202 5.276 132.13 134.01 0.067 0.073 1.70 1.85 0.0642 1.052*051THRU *O-RING SIZES NOT ASSIGNED*101 -102 0.044 0.054 1.12 1.37 0.100 0.106 2.54 2.69 0.0040 0.066-103 0.076 0.086 1.93 2.18 0.100 0.106 2.54 2.69 0.0048
28、0.079-104 0.107 0.117 2.72 2.97 0.100 0.106 2.54 2.69 0.0056 0.092-105 0.138 0.148 3.51 3.76 0.100 0.106 2.54 2.69 0.0064 0.105SAE INTERNATIONAL AS568D Page 5 of 15 TABLE 1 - AEROSPACE SIZE STANDARDS FOR O-RINGS (CONTINUED) DashNumberIDInchesminIDInchesmaxIDmmminIDmmmaxWInchesminWInchesmaxWmmminWmmm
29、axVolume(Ref)CubicInchesVolume(Ref)Cubiccm-106 0.169 0.179 4.29 4.55 0.100 0.106 2.54 2.69 0.0073 0.120 -107 0.201 0.211 5.11 5.36 0.100 0.106 2.54 2.69 0.0081 0.133 -108 0.232 0.242 5.89 6.15 0.100 0.106 2.54 2.69 0.0089 0.146 -109 0.294 0.304 7.47 7.72 0.100 0.106 2.54 2.69 0.0105 0.172 -110 0.357
30、 0.367 9.07 9.32 0.100 0.106 2.54 2.69 0.0122 0.200 -111 0.419 0.429 10.64 10.90 0.100 0.106 2.54 2.69 0.0138 0.226 -112 0.482 0.492 12.24 12.50 0.100 0.106 2.54 2.69 0.0154 0.252 -113 0.542 0.556 13.77 14.12 0.100 0.106 2.54 2.69 0.0171 0.280 -114 0.603 0.621 15.32 15.77 0.100 0.106 2.54 2.69 0.018
31、7 0.306 -115 0.665 0.683 16.89 17.35 0.100 0.106 2.54 2.69 0.0203 0.333 -116 0.728 0.746 18.49 18.95 0.100 0.106 2.54 2.69 0.0220 0.361 -117 0.789 0.809 20.04 20.55 0.100 0.106 2.54 2.69 0.0236 0.387 -118 0.852 0.872 21.64 22.15 0.100 0.106 2.54 2.69 0.0253 0.415 -119 0.914 0.934 23.22 23.72 0.100 0
32、.106 2.54 2.69 0.0269 0.441 -120 0.977 0.997 24.82 25.32 0.100 0.106 2.54 2.69 0.0285 0.467 -121 1.039 1.059 26.39 26.90 0.100 0.106 2.54 2.69 0.0302 0.495 -122 1.102 1.122 27.99 28.50 0.100 0.106 2.54 2.69 0.0318 0.521 -123 1.162 1.186 29.51 30.12 0.100 0.106 2.54 2.69 0.0334 0.547 -124 1.225 1.249
33、 31.12 31.72 0.100 0.106 2.54 2.69 0.0351 0.575 -125 1.287 1.311 32.69 33.30 0.100 0.106 2.54 2.69 0.0367 0.601 -126 1.350 1.374 34.29 34.90 0.100 0.106 2.54 2.69 0.0383 0.628 -127 1.412 1.436 35.86 36.47 0.100 0.106 2.54 2.69 0.0400 0.655 -128 1.475 1.499 37.46 38.07 0.100 0.106 2.54 2.69 0.0416 0.
34、682 -129 1.534 1.564 38.96 39.73 0.100 0.106 2.54 2.69 0.0432 0.708 -130 1.597 1.627 40.56 41.33 0.100 0.106 2.54 2.69 0.0449 0.736 -131 1.659 1.689 42.14 42.90 0.100 0.106 2.54 2.69 0.0465 0.762 -132 1.722 1.752 43.74 44.50 0.100 0.106 2.54 2.69 0.0482 0.790 -133 1.784 1.814 45.31 46.08 0.100 0.106
35、 2.54 2.69 0.0498 0.816 -134 1.847 1.877 46.91 47.68 0.100 0.106 2.54 2.69 0.0514 0.842 -135 1.908 1.942 48.46 49.33 0.100 0.106 2.54 2.69 0.0531 0.870 SAE INTERNATIONAL AS568D Page 6 of 15 TABLE 1 - AEROSPACE SIZE STANDARDS FOR O-RINGS (CONTINUED) DashNumberIDInchesminIDInchesmaxIDmmminIDmmmaxWInch
36、esminWInchesmaxWmmminWmmmaxVolume(Ref)CubicInchesVolume(Ref)Cubiccm-136 1.970 2.004 50.04 50.90 0.100 0.106 2.54 2.69 0.0547 0.896 -137 2.033 2.067 51.64 52.50 0.100 0.106 2.54 2.69 0.0564 0.924 -138 2.095 2.129 53.21 54.08 0.100 0.106 2.54 2.69 0.0580 0.950 -139 2.158 2.192 54.81 55.68 0.100 0.106
37、2.54 2.69 0.0596 0.977 -140 2.220 2.254 56.39 57.25 0.100 0.106 2.54 2.69 0.0613 1.005 -141 2.280 2.320 57.91 58.93 0.100 0.106 2.54 2.69 0.0629 1.031 -142 2.342 2.382 59.49 60.50 0.100 0.106 2.54 2.69 0.0645 1.057 -143 2.405 2.445 61.09 62.10 0.100 0.106 2.54 2.69 0.0662 1.085 -144 2.467 2.507 62.6
38、6 63.68 0.100 0.106 2.54 2.69 0.0678 1.111 -145 2.530 2.570 64.26 65.28 0.100 0.106 2.54 2.69 0.0694 1.137 -146 2.592 2.632 65.84 66.85 0.100 0.106 2.54 2.69 0.0711 1.165 -147 2.653 2.697 67.39 68.50 0.100 0.106 2.54 2.69 0.0727 1.191 -148 2.715 2.759 68.96 70.08 0.100 0.106 2.54 2.69 0.0743 1.218 -
39、149 2.778 2.822 70.56 71.68 0.100 0.106 2.54 2.69 0.0760 1.245 -150 2.840 2.884 72.14 73.25 0.100 0.106 2.54 2.69 0.0776 1.272 -151 2.963 3.011 75.26 76.48 0.100 0.106 2.54 2.69 0.0809 1.326 -152 3.213 3.261 81.61 82.83 0.100 0.106 2.54 2.69 0.0874 1.432 -153 3.463 3.511 87.96 89.18 0.100 0.106 2.54
40、 2.69 0.0940 1.540 -154 3.709 3.765 94.21 95.63 0.100 0.106 2.54 2.69 0.1005 1.647 -155 3.959 4.015 100.56 101.98 0.100 0.106 2.54 2.69 0.1071 1.755 -156 4.207 4.267 106.86 108.38 0.100 0.106 2.54 2.69 0.1136 1.862 -157 4.457 4.517 113.21 114.73 0.100 0.106 2.54 2.69 0.1202 1.970 -158 4.707 4.767 11
41、9.56 121.08 0.100 0.106 2.54 2.69 0.1267 2.076 -159 4.952 5.022 125.78 127.56 0.100 0.106 2.54 2.69 0.1332 2.183 -160 5.202 5.272 132.13 133.91 0.100 0.106 2.54 2.69 1.1398 2.291 -161 5.452 5.522 138.48 140.26 0.100 0.106 2.54 2.69 0.1463 2.397 -162 5.702 5.772 144.83 146.61 0.100 0.106 2.54 2.69 0.
42、1529 2.506 -163 5.952 6.022 151.18 152.96 0.100 0.106 2.54 2.69 0.1594 2.612 -164 6.197 6.277 157.40 159.44 0.100 0.106 2.54 2.69 0.1660 2.720 -165 6.447 6.527 163.75 165.79 0.100 0.106 2.54 2.69 0.1725 2.827 SAE INTERNATIONAL AS568D Page 7 of 15 TABLE 1 - AEROSPACE SIZE STANDARDS FOR O-RINGS (CONTI
43、NUED) DashNumberIDInchesminIDInchesmaxIDmmminIDmmmaxWInchesminWInchesmaxWmmminWmmmaxVolume(Ref)CubicInchesVolume(Ref)Cubiccm-166 6.697 6.777 170.10 172.14 0.100 0.106 2.54 2.69 0.1790 2.933 -167 6.947 7.027 176.45 178.49 0.100 0.106 2.54 2.69 0.1856 3.041 -168 7.192 7.282 182.68 184.96 0.100 0.106 2
44、.54 2.69 0.1921 3.148 -169 7.442 7.532 189.03 191.31 0.100 0.106 2.54 2.69 0.1987 3.256 -170 7.692 7.782 195.38 197.66 0.100 0.106 2.54 2.69 0.2052 3.363 -171 7.942 8.032 201.73 204.01 0.100 0.106 2.54 2.69 0.2118 3.471 -172 8.187 8.287 207.95 210.49 0.100 0.106 2.54 2.69 0.2183 3.577 -173 8.437 8.5
45、37 214.30 216.84 0.100 0.106 2.54 2.69 0.2249 3.685 -174 8.687 8.787 220.65 223.19 0.100 0.106 2.54 2.69 0.2314 3.792 -175 8.937 9.037 227.00 229.54 0.100 0.106 2.54 2.69 0.2379 3.898 -176 9.182 9.292 233.22 236.02 0.100 0.106 2.54 2.69 0.2445 4.007 -177 9.432 9.542 239.57 242.37 0.100 0.106 2.54 2.
46、69 0.2510 4.113 -178 9.682 9.792 245.92 248.72 0.100 0.106 2.54 2.69 0.2576 4.221 *179 THRU *O-RING SIZES NOT ASSIGNED*200 -201 0.166 0.176 4.22 4.47 0.135 0.143 3.43 3.63 0.0148 0.243 -202 0.229 0.239 5.82 6.07 0.135 0.143 3.43 3.63 0.0178 0.292 -203 0.291 0.301 7.39 7.65 0.135 0.143 3.43 3.63 0.02
47、07 0.339 -204 0.354 0.364 8.99 9.25 0.135 0.143 3.43 3.63 0.0237 0.388 -205 0.416 0.426 10.57 10.82 0.135 0.143 3.43 3.63 0.0267 0.438 -206 0.479 0.489 12.17 12.42 0.135 0.143 3.43 3.63 0.0297 0.487 -207 0.539 0.553 13.69 14.05 0.135 0.143 3.43 3.63 0.0327 0.536 -208 0.600 0.618 15.24 15.70 0.135 0.
48、143 3.43 3.63 0.0357 0.586 -209 0.662 0.680 16.81 17.27 0.135 0.143 3.43 3.63 0.0386 0.633 -210 0.724 0.744 18.39 18.90 0.135 0.143 3.43 3.63 0.0416 0.682 -211 0.786 0.806 19.96 20.47 0.135 0.143 3.43 3.63 0.0446 0.731 -212 0.849 0.869 21.56 22.07 0.135 0.143 3.43 3.63 0.0476 0.780 -213 0.911 0.931
49、23.14 23.65 0.135 0.143 3.43 3.63 0.0505 0.828 -214 0.974 0.994 24.74 25.25 0.135 0.143 3.43 3.63 0.0535 0.877 -215 1.036 1.056 26.31 26.82 0.135 0.143 3.43 3.63 0.0565 0.926 SAE INTERNATIONAL AS568D Page 8 of 15 TABLE 1 - AEROSPACE SIZE STANDARDS FOR O-RINGS (CONTINUED) DashNumberIDInchesminIDInchesmaxIDmmminIDmmmaxWInchesminWInchesmaxWmmminWmmmaxVolume(Ref)CubicInchesVolume(Ref)Cubiccm-2
