1、 AEROSPACE STANDARD STUD, STEPPED, NECKED, 1.5 DIA ENGAGEMENT, CADMIUM PLATED, STEEL UNS G87400, .4375-14 UNS X .3750-24 UNF-3A AS158901 THRUAS159200 Copyright 2016 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in a
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3、 http:/www.sae.org ISSUED1999-12REAFFIRMED 2005-05REVISED2016-04THIRD ANGLE PROJECTION CUSTODIAN: E-25 REV.B FEDERAL SUPPLY CLASS 5307 AS158901 THRU AS159200 SHEET 1 OF 3 REV. B PROCUREMENT SPECIFICATION: AS7456 SAE Technical Standards Board Rules provide that: “This report is published by SAEtoadv
4、ance thestate of technicaland engineering sciences. The useof this report is entirely voluntary, and its applicability andsuitability for any particularuse, includingany patent infringement arisingtherefrom,is thesole responsibility of theuser.” SAE reviews eachtechnical reportatleast every fiveyear
5、s at whichtime it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions.SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AS158901B RATIONALE FIGURE REDRAWN TO CORRECT GEOMETRIC TO
6、LERANCE FRAMES, CORRECT CADMIUM PLATE NOTICE ADDED, SPECIFICATIONS UPDATED, AND PART USAGE NOTE ADDED. NOTICE THE INITIAL SAE PUBLICATION OF THIS DOCUMENT WAS TAKEN DIRECTLY FROM U.S. MILITARY STANDARD AN158901 THROUGH AN159200, REVISION 3. THIS SAE STANDARD MAY RETAIN THE SAME PART NUMBERS ESTABLIS
7、HED BY THE ORIGINAL MILITARY DOCUMENT. ANY REQUIREMENTS ASSOCIATED WITH QUALIFIED PRODUCTS LISTS (QPLS) MAY CONTINUE TO BE MANDATORY FOR DOD CONTRACTS. REQUIREMENTS RELATING TO QPLS HAVE NOT BEEN ADOPTED BY THE SAE FOR THIS STANDARD AND ARE NOT PART OF THIS SAE DOCUMENT. E 1 1R.1 40.1 0063C H A M FE
8、 R .0 37 - .0 57 X 45 A P P R O XF U LL T H R E A DC H A M FE R.0 52 - .0 72 X 45 A P P R O XF U LL T H R E A D.6 46L C.1 50.0 90U N D E R S IZE A N D O V E R S IZ EID E N T IF IC A T I O N S E E T A B LE 1P E R A S 47 8 C LA S S 1.4 37 5 - 1 4U N S /7 /F O R P D S E E T A B LE 1Z45A P P R O X.3 11.
9、3 07.0 10 M A X D E P T HS E E /8 /.1 50.0 90.3 75 0 - 2 4U N F - 3A /7 /.0 06 ZY32S E C T IO N T H R UT H R E A D P R O F IL E B O T H E N D S+- .0 10.6 66.6 78.6 9845A P P R O XR.1 40.1 00FIGURE 1 - STUD AEROSPACE STANDARD AS158901 THRU AS159200 SHEET 2 OF 3 REV. B STUD, STEPPED, NECKED, 1.5 DIA E
10、NGAGEMENT, CADMIUM PLATED, STEEL UNS G87400, .4375-14 UNS X .3750-24 UNF-3A TABLE 1 - PART NUMBERS AND DIMENSIONS AEROSPACE STANDARD AS158901 THRU AS159200 SHEET 3 OF 3 REV. B STUD, STEPPED, NECKED, 1.5 DIA ENGAGEMENT, CADMIUM PLATED, STEEL UNS G87400, .4375-14 UNS X .3750-24 UNF-3A NOTES: NOTICE TH
11、IS 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 (UNS G87400). 2. PROCUREMENT SPECIFICATION: AS7456. 3. HARDNESS: 26-32 HRC. 4. FINISH: CADMIUM PLATE PER AMS2400. DIMENSIONS A
12、RE AFTER PLATING, EXCEPT WHERE SHOWN. 5. MAGNETIC PARTICLE INSPECTION PER ASTM E1444/ E1444M. AFTER PLATING. 6. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, SURFACES TO BE 125 MICROINCHES Ra. 7. SCREW THREAD PER ASME B1.1 AND ACCEPTABILITY REQUI
13、REMENTS PER ASME B1.3, SYSTEM 22. 8. MARK MATERIAL CODE “E11“ AS SHOWN PER AS478 CLASS A, EXCEPT METHODS 2D AND 2E (VIBRO PEEN) NOT PERMITTED. MAXIMUM DEPTH .010 9. BREAK SHARP EDGES .003 TO .015, UNLESS OTHERWISE SPECIFIED. 10. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M-1982 (ASME PUBLICATION). 1
14、1. DIMENSIONS ARE IN INCHES. 12. DO NOT USE UNASSIGNED PART NUMBERS. 13. UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF THE APPLICABLE DRAWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK IS DEPLETED. 14. REVISION INDICATOR: A CHANGE BAR (l) LOCATED IN THE
15、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. CHAN
16、GE 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. MIL-S-7742 IS A U.S. GOVERNMENT PUBLICATION.
