1、 AEROSPACE STANDARD FITTING END, INTERNAL FLARE, DESIGN STANDARD AS1708Copyright 2017 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or ot
2、herwise, 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 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED2011-09REAFFIRMED 2007-08REVISED2017-08THIRD ANGLE PR
3、OJECTION CUSTODIAN: G-3/G-3B REV.G FEDERAL SUPPLY CLASS 4730 AS1708 SHEET 1 OF 7 REV. G PROCUREMENT SPECIFICATION: NONE SAE Technical Standards Board Rules provide that: “This report is published by SAEtoadvance thestate of technicaland engineering sciences. The useof this report is entirely volunta
4、ry, and its applicability andsuitability for any particularuse, includingany patent infringement arisingtherefrom,is the sole responsibility of theuser.” SAE reviews eachtechnical reportatleast every fiveyears at whichtime it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your wri
5、tten comments and suggestions.SAE values your input. To provide feedback on this Technical Report, please visit http:/standards.sae.org/AS1708G RATIONALE REVISE TYPO IN VIEW P FOR THE LEAD-IN TAPER ANGLE FROM 37 030 TO 38.5 030 FIGURE 1 - FITTING END DESIGN, STYLE A FIGURE 2 - FITTING END DESIGN, ST
6、YLE B SAME AS STYLE A EXCEPT AS SHOWN AEROSPACE STANDARD AS1708 SHEET 2 OF 7 REV. G FITTING END, INTERNAL FLARE, DESIGN STANDARD FIGURE 3 - FITTING END DESIGN, STYLE C SAME AS STYLE A EXCEPT AS SHOWN ( N )( A )5 5 /7 /(R S)25( F )/ 3 /1 0 0 2 . 5 (. 0 3 2 5 ) R .0 2 0 0 .0 5 M I N“ EN L A R G E D V
7、I EW P“/ 9 /1 .5 0 3 0 3 8 .5 0 3 0 AEROSPACE STANDARD AS1708 SHEET 3 OF 7 REV. G FITTING END, INTERNAL FLARE, DESIGN STANDARD FIGURE 4 - FITTING END DESIGN, STYLE D /11/ SAME AS STYLE A EXCEPT AS SHOWN FIGURE 5 - FITTING END DESIGN, STYLE E /11/ SAME AS STYLE D EXCEPT AS SHOWN AEROSPACE STANDARD AS
8、1708 SHEET 4 OF 7 REV. G FITTING END, INTERNAL FLARE, DESIGN STANDARD ( A )( . 0 3 2 5 ) ( U )W /1 0 /R( 1 .5 )( C )A. 0 0 5 0 . 1 2 7 . 0 0 3 0 . 0 7 6 6 3 1 . 6 / 3 /“ EN L A R G E D V I EW T “3 7 0 3 0 TABLE 1 TABLE 1A - DIMENSIONS A-G, ENGLISH UNITS (INCHES) BASIC NO. AS1708 /17/ SIZE CODE TUBE
9、SIZE A B C D E F +.015 .000 G 02 .125 .261- .264 .195 .058- .065 .337 .172 .125 .510 03 .187 .321- .326 .245 .121- .128 .337 .235 .180 .523 04 .250 .374- .379 .295 .168- .175 .375 .297 .227 .548 05 .312 .437- .442 .355 .230- .237 .375 .367 .289 .603 06 .375 .499- .504 .435 .293- .301 .375 .433 .352
10、.626 07 .437 .556- .561 .498 .355- .363 .396 .495 .446 .646 08 .500 .679- .684 .570 .387- .395 .438 .563 .467 .720 09 .562 .735- .740 .633 .414- .422 .424 .627 .541 .776 10 .625 .795- .800 .680 .480- .488 .515 .691 .580 .822 11 .687 .900- .905 .799 .542- .552 .581 .763 .658 .955 12 .750 .970- .975 .
11、850 .604- .614 .562 .827 .709 .854 14 .875 1.086-1.091 .985 .729- .739 .624 .954 .845 .941 16 1.000 1.218-1.224 1.103 .839- .851 .620 1.082 .958 .949 18 1.125 1.398-1.403 1.293 .948- .960 .637 1.210 1.080 1.052 20 1.250 1.530-1.536 1.410 1.073-1.086 .620 1.340 1.200 1.033 24 1.500 1.781-1.786 1.625
12、1.307-1.320 .765 1.610 1.436 1.179 28 1.750 2.156-2.161 2.014 1.542-1.557 .832 1.883 1.723 1.286 32 2.000 2.405-2.410 2.240 1.776-1.791 .937 2.160 1.947 1.414 40 2.500 2.906-2.911 2.760 2.276-2.291 .752 2.660 2.460 - 48 3.000 3.406-3.411 3.258 2.776-2.791 .852 3.173 2.960 - AEROSPACE STANDARD AS1708
13、 SHEET 5 OF 7 REV. G FITTING END, INTERNAL FLARE, DESIGN STANDARD TABLE 1B - DIMENSIONS A-G, SI UNITS (MM) BASIC NO. AS1708 /17/ SIZE CODE TUBE SIZE A B C D E F +0.38 0.00 G 02 3.18 6.63- 6.71 4.95 1.47- 1.65 8.56 4.37 3.18 12.95 03 4.75 8.15- 8.28 6.22 3.07- 3.25 8.56 5.97 4.57 13.28 04 6.35 9.50-
14、9.63 7.49 4.27- 4.45 9.53 7.54 5.77 13.92 05 7.92 11.10-11.23 9.02 5.84- 6.02 9.53 9.32 7.34 15.32 06 9.53 12.67-12.80 11.05 7.44- 7.65 9.53 11.00 8.94 15.90 07 11.10 14.12-14.25 12.65 9.02- 9.22 10.06 12.58 11.33 16.41 08 12.70 17.25-17.37 14.48 9.83-10.03 11.13 14.30 11.86 18.29 09 14.27 18.67-18.
15、80 16.08 10.52-10.72 10.77 15.93 13.74 19.71 10 15.88 20.19-20.32 17.27 12.19-12.4 13.08 17.55 14.73 20.88 11 17.45 22.86-22.99 20.29 13.77-14.02 14.76 19.38 16.71 24.26 12 19.05 24.64-24.77 21.59 15.34-15.6 14.27 21.01 18.01 21.69 14 22.23 27.58-27.71 25.02 18.52-18.77 15.85 24.23 21.46 23.90 16 25
16、.4 30.94-31.09 28.016 21.31-21.62 15.75 27.48 24.33 24.10 18 28.58 35.51-35.64 32.84 24.08-24.38 16.18 30.73 27.43 26.72 20 31.75 38.86-39.01 35.81 27.25-27.58 15.75 34.04 30.48 26.24 24 38.10 45.24-45.36 41.28 33.2 -33.53 19.43 40.89 36.47 29.95 28 44.45 54.76-54.89 51.16 39.17-39.55 21.13 47.83 43
17、.76 32.66 32 50.80 61.09-61.21 56.90 45.11-45.49 23.80 54.86 49.45 35.92 40 63.50 73.81-73.94 70.10 57.81-58.19 19.10 67.56 62.48 - 48 76.20 86.51-86.64 82.75 70.51-70.89 21.64 80.59 75.18 - AEROSPACE STANDARD AS1708 SHEET 6 OF 7 REV. G FITTING END, INTERNAL FLARE, DESIGN STANDARD TABLE 2 TABLE 2A -
18、 DIMENSIONS H-W, ENGLISH UNITS (INCHES) BASIC NO. AS1708 /17/ SIZE CODE TUBE SIZE H J K L .005 M .005 N +.000 .005 S .004 U V .002 W .002 02 .125 .631 .304 .134 .123 .089 .178 .036 - - - 03 .187 .634 .307 .134 .169 .105 .243 .036 .238- .243 .134 .076 04 .250 .680 .315 .134 .157 .092 .298 .036 .293-
19、.298 .129 .076 05 .312 .727 .362 .142 .204 .140 .346 .040 .341- .346 .173 .086 06 .375 .758 .393 .142 .228 .163 .403 .040 .398- .403 .196 .086 07 .437 .798 .435 .142 .267 .186 .460 .040 - - - 08 .500 .883 .455 .157 .285 .180 .564 .047 .559- .564 .217 .100 09 .562 .951 .495 .157 .299 .209 .619 .047 -
20、 - - 10 .625 1.008 .503 .157 .302 .204 .679 .047 .674- .679 .261 .100 11 .687 1.141 .515 .187 .287 .200 .752 .062 - - - 12 .750 1.055 .503 .187 .306 .160 .821 .062 .816- .821 .214 .130 14 .875 1.175 .566 .187 .291 .203 .938 .062 - - - 16 1.000 1.165 .555 .187 .342 .198 1.068 .062 1.080-1.088 .243 .1
21、30 18 1.125 1.272 .609 .187 .353 .247 1.250 .062 - - - 20 1.250 1.258 .648 .187 .397 .282 1.382 .062 - - - 24 1.500 1.446 .691 .187 .405 .282 1.635 .062 - - - 28 1.750 1.599 .793 .187 .484 .338 2.008 .062 - - - 32 2.000 1.774 .847 .187 .525 .345 2.265 .062 - - - 40 2.500 - - .187 .576 .403 2.758 - -
22、 - - 48 3.000 - - .187 .600 .420 3.258 - - - - TABLE 2B - DIMENSIONS H-W, SI UNITS (MM) BASIC NO. AS1708 /17/ SIZE CODE TUBE SIZE H J K L 0.13 M 0.13 N 0 0.13 S 0.10 U V 0.05 W 0.05 02 3.18 16.03 7.72 3.40 3.12 2.26 4.52 0.91 - - - 03 4.75 16.10 7.80 3.40 4.29 2.67 6.17 0.91 6.05- 6.17 3.40 1.93 04
23、6.35 17.27 8.00 3.40 3.99 2.34 7.57 0.91 7.44- 7.57 3.28 1.93 05 7.92 18.47 9.19 3.61 5.18 3.56 8.79 1.02 8.66- 8.79 4.39 2.18 06 9.53 19.25 9.98 3.61 5.79 4.14 10.24 1.02 10.11-10.24 4.98 2.18 07 11.10 20.27 11.05 3.61 6.78 4.72 11.68 1.02 - - - 08 12.70 22.43 11.56 3.99 7.24 4.57 14.33 1.19 14.20-
24、14.33 5.51 2.54 09 14.27 24.16 12.57 3.99 7.59 5.31 15.72 1.19 - - - 10 15.88 25.60 12.78 3.99 7.67 5.18 17.25 1.19 17.12-17.25 6.63 2.54 11 17.45 28.98 13.08 4.75 7.29 5.08 19.10 1.57 - - - 12 19.05 26.80 12.78 4.75 7.77 4.06 20.85 1.57 20.73-20.85 5.44 3.30 14 22.23 29.85 14.38 4.75 7.39 5.16 23.8
25、3 1.57 - - - 16 25.40 29.59 14.10 4.75 8.69 5.03 27.13 1.57 27.43-27.64 6.17 3.30 18 28.58 32.31 15.47 4.75 8.97 6.27 31.75 1.57 - - - 20 31.75 31.95 16.46 4.75 10.08 7.16 35.10 1.57 - - - 24 38.10 36.73 17.55 4.75 10.29 7.16 41.53 1.57 - - - 28 44.45 40.61 20.14 4.75 12.29 8.59 51.00 1.57 - - - 32
26、50.80 45.06 21.51 4.75 13.34 8.76 57.53 1.57 - - - 40 63.50 - - 4.75 14.63 10.24 70.05 - - - - 48 76.20 - - 4.75 15.24 10.67 82.75 - - - - AEROSPACE STANDARD AS1708 SHEET 7 OF 7 REV. G FITTING END, INTERNAL FLARE, DESIGN STANDARD NOTES /1/ FOR STYLES (A) AND (D) USE AN818 OR AS5175 NUTS. FOR STYLES
27、(B), (C), AND (E) USE AS1790 OR AS4370 NUTS. NONSTANDARD NUTS MAY BE USED IF THE FOLLOWING IS MAINTAINED: a. STANDARD HEX SIZES ARE USED. b. THE FITTING ASSEMBLY MUST MEET THE REQUIREMENTS OF AS4841 AND MATE WITH AS4395 AND AS5309. c. DIMENSION “D” IS MAINTAINED AS CLOSE AS POSSIBLE FOR BOTH STYLES.
28、 d. THE THREAD LENGTH IS EQUAL TO OR LONGER THAN THE NUTS NOTED ABOVE. /2/ THE RETAINING WIRE SHALL BE PER AS1791 OR MS27074 AND SHALL BE INSTALLED IN SUCH A MANNER THAT BOTH ENDS ARE IN THE GROOVE. /3/ THE SEALING SURFACE SHALL BE FREE OF AXIAL OR HELICAL FLAWS VISIBLE TO THE NAKED EYE. /4/ THIS DI
29、AMETER IS ONLY FOR TUBE ATTACHED SLEEVES. /5/ “H” IS THE MINIMUM LENGTH OF STRAIGHT TURN DIAMETER TO TANGENT OF RADIUS TO PROVIDE NUT CLEARANCE. /6/ THIS RADIUS APPLIES ONLY TO STYLE (A). /7/ THIS DIMENSION APPLIES ONLY TO STYLES (B), (C), AND (E). /8/ DIMENSIONS “B” AND “C” APPLY TO ALL STYLES. /9/
30、 THESE DIMENSIONS APPLY ONLY TO STYLES (A), (B), AND (C). /10/ THESE DIMENSIONS APPLY ONLY TO STYLE (E). /11/ INTENDED USE: STYLES (D) AND (E) ARE DESIGNED TO MATE WITH SPHERICAL FITTING END PER AS5309. 12. INTERPRETATION OF DRAWING PER AS4296. 13. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREM
31、ENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 MICROINCHES (3.2 MICROMETERS) Ra. 14. BREAK EDGES .003 TO .015 (0.0762 TO 0.381), UNLESS OTHERWISE SPECIFIED. 15. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. 16. DIMENSIONS ARE IN INCHES (MILLIMETERS). METRIC CONVERSION
32、S ARE IN INTERNATIONAL SYSTEM UNITS (SI). UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .010 (0.254), ANGULAR DIMENSIONS 2. /17/ EXAMPLE OF FITTING END STANDARD CALLOUT: a. TABULATED PART DRAWING: FITTING END PER AS1708 STYLE (A). b. INDIVIDUAL PART DRAWING: AS 1708 A 04 BA SI C N U M B
33、ER N O M I N AL TU B E SI ZE I N . 0 6 2 I N C H I N C R EM EN TS STY L E A, B , C , D O R E 18. REVISION INDICATOR: A CHANGE BAR (I) 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 THE DOCUMENT, INCLUDING TECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT USED IN ORIGINAL PUBLICATIONS, NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY.
