1、 AEROSPACE STANDARD STUD - STEPPED, 2 DIA ENGAGEMENT .2500-20UNS X .1900-32UNF-3A AS154701-AS155000Copyright 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, ph
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3、1 REVISED2017-08THIRD ANGLE PROJECTION CUSTODIAN: E-25 REV.BFEDERAL SUPPLY CLASS 5307 AS154701 - AS155000 SHEET 1 OF 2 REV. B PROCUREMENT SPECIFICATION: AS7456 SAETechnicalStandardsBoard Rulesprovidethat:“Thisreportispublished bySAEto advance the state oftechnicaland engineering sciences.The use oft
4、hisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarising therefrom,isthe sole responsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhich time itmaybe revised,reaffirmed,stabilized,orcancelled.SAEinvitesyourwritten
5、 commentsandsuggestions.SAE values your input. To provide feedback on this Technical Report, please visit http:/standards.sae.org/AS154701B RATIONALE FIGURE REDRAWN FOR CLARITY, PART USAGE NOTE ADDED, NOTES UPDATED, PART NUMBER AN154502 CORRECTED TO AN154802. NOTICE THE INITIAL SAE PUBLICATION OF TH
6、IS DOCUMENT WAS TAKEN DIRECTLY FROM U.S. MILITARY STANDARD AN154701 THROUGH AN155000 REV. 2, NOTICE 1. THIS SAE STANDARD MAY RETAIN THE SAME PART NUMBERS ESTABLISHED BY THE ORIGINAL MILITARY DOCUMENT. ANY REQUIREMENTS ASSOCIATED WITH QUALIFIED PRODUCTS LISTS (QPLS) MAY CONTINUE TO BE MANDATORY FOR D
7、OD CONTRACTS. REQUIREMENTS RELATING TO QPLS HAVE NOT BEEN ADOPTED BY THE SAE FOR THIS STANDARD AND ARE NOT PART OF THIS SAE DOCUMENT. L.164.174.510.490FULL THREAD.037 X 45 APPROX.057BFULL THREAD.041.021 X 45 APPROX63THREAD RUNOUTPER AS3062.1900 - 32 UNF - 3A MIL - S - 7742.006 AR.062.03145APPROX C .
8、2500 - 20 UNS MIL - S - 7742SEE TABLE FOR PITCH AY XUNDERSIZE AND OVERSIZEIDENTIFICATION STAMPTO AMS2800 .010 MAX DEPTH.040.090E 11MATERIAL IDENTIFICATIONSTAMP TO AMS2800.010 MAX DEPTH.040.070ENLARGED VIEW AT XENLARGED VIEW AT Y32SECTION THRU BOTHTHREAD PROFILESFIGURE 1 - STUD AEROSPACE STANDARD AS1
9、54701 - AS155000 SHEET 2 OF 2 REV. B STUD - STEPPED, 2 DIA ENGAGEMENT .2500-20UNS X .1900-32UNF-3A TABLE1 - DIMENSIONS UNDERSIZE AND OVERSIZE IDENTIFICATION -.003 STANDARD +.003 +.006 +.009 +.012 - 3 3 6 9 12 C PD BEFORE PLATING PD AFTER PLATING PD LEAD THREAD .245- .250 .2183-.2193 .2188-.2203 .212
10、5-.2145 .245- .250 .2183-.2223 .2218-.2233 .2155-.2175 .245- .250 .2243-.2253 .2248-.2263 .2185-.2205 .245- .250 .2273-.2283 .2278-.2293 .2215-.2235 .245- .259 .2303-.2313 .2308-.2323 .2245-.2265 .245- .259 .2333-.2343 .2338-.2353 .2275-.2295 L B PART NUMBER PART NUMBER PART NUMBER PART NUMBER PART
11、NUMBER PART NUMBER 1.000 .375 AN154719 AN154720 AN154721 AN154722 AN154723 AN154724 1.062 .438 AN154725 AN154726 AN154727 AN154728 AN154729 AN154730 1.125 .500 AN154731 AN154732 AN154733 AN154734 AN154735 AN154736 1.188 .500 AN154737 AN154738 AN154739 AN154740 AN154741 AN154742 1.250 .500 AN154743 A
12、N154744 AN154745 AN154746 AN154747 AN154748 1.312 .500 AN154749 AN154750 AN154751 AN154752 AN154753 AN154754 1.375 .500 AN154755 AN154756 AN154757 AN154758 AN154759 AN154760 1.438 .500 AN154761 AN154762 AN154763 AN154764 AN154765 AN154766 1.500 .500 AN154767 AN154768 AN154769 AN154770 AN154771 AN154
13、772 1.562 .500 AN154773 AN154774 AN154775 AN154776 AN154777 AN154778 1.625 .500 AN154779 AN154780 AN154781 AN154782 AN154783 AN154784 1.688 .500 AN154785 AN154786 AN154787 AN154788 AN154789 AN154790 1.750 .500 AN154791 AN154792 AN154793 AN154794 AN154795 AN154796 1.812 .500 AN154797 AN154798 AN15479
14、9 AN154800 AN154801 AN154802 NOTES NOTICE THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUMS USE. 1. MATERIAL: STEEL AMS6322. 2. FINISH: CADMIUM PLATE AMS2400. DIMENSIONS SPECIFIED ARE AFTER PLATING, EXCEPT
15、WHERE SHOWN. 3. PROCUREMENT SPECIFICATION: AS7456. 4. MAGNETIC PARTICLE INSPECTION PER ASTM E1444/E1444M AFTER PLATING. 5. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, SURFACES TO BE 125 MICROINCHES Ra. 6. BREAK SHARP EDGES .003 TO .015 UNLESS O
16、THERWISE SPECIFIED. 7. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M-1982 (ASME PUBLICATION). 8. DIMENSIONS ARE IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .010. 9. DO NOT USE UNASSIGNED PART NUMBERS. 10. UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REV
17、ISIONS OF THE APPLICABLE DRAWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK IS DEPLETED. 11. 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 PREVIOU
18、S 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. AS AND AMS ARE SAE INTERNATIONAL PUBLICATIONS. ASME IS AN AMERICAN SOCIETY OF MECHANICAL ENGINEERS PUBLICATION. ASTM IS AN ASTM INTERNATIONAL PUBLICATION.
