1、AEROSPACE STANDARD STUD - STRAIGHT, RING LOCKED, CRES AMS5731 .3125-18UNJC X .3125-24UNJF AS3321Copyright 2014 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, photo
2、copying, 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 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED 1979-09REAFFIRMED 2001-11RE
3、VISED 2014-07THIRD ANGLE PROJECTION CUSTODIAN: E-25 REV.EFEDERAL SUPPLY CLASS 5307 AS3321SHEET 1 OF 3REV. EPROCUREMENT SPECIFICATION: AS7482SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineeringsciences.The useofthis reportisent
4、irelyvoluntary, andits applicability and suitability forany particular use,including any patent infringement arising therefrom, isthe soleresponsibilityofthe user.”SAE reviews eachtechnicalreport at least every five years at which time itmay berevised,reaffirmed, stabilized, orcancelled. SAE invites
5、 yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS3321ERATIONALE THIS IS A LIMITED SCOPE REVISION. HARDNESS REQUIREMENT IN DRAWING NOTE 3 IS CLARIFIED TO APPLY TO THE STUD ONLY. FIGURE 1 - STU
6、D NOTES: 1. MATERIAL: STUD - CORROSION AND HEAT RESISTANT STEEL, AMS5731, AMS5732, AMS5734, AND AMS5737. (UNS S66286) LOCKRING - CRES, AMS5640. (UNS S30300) 2. HEAT TREATMENT: STUD - SOLUTION AND PRECIPITATION HEAT TREATED. SEE PROCUREMENT SPECIFICATION. 3. HARDNESS: STUD - 24-37 HRC, 247-344 HB, OR
7、 260-363 HV. 4. FINISH: STUD AND LOCKRING - CLEAN (PASSIVATE) PER PROCUREMENT SPECIFICATION OR PASSIVATE PER AMS2700, METHOD 1, CLASS 4. 5. FLUORESCENT PENETRANT INSPECTION: ASTM E1417, EXCEPT LOCKRING. ACCEPTANCE CRITERIA PER AS7482. /6/ PROCUREMENT SPECIFICATION: AS7482, EXCEPT STRESS RUPTURE TEST
8、 IS WAIVED, AND SPECIAL STUD END THREAD REQUIREMENTS OF AS3062 ARE NOT APPLICABLE. INCOMPLETE LEAD AND RUNOUT THREAD REQUIREMENTS ON BOTH THREADS SHALL BE AS SPECIFIED IN AS3062 FOR BOLTS. AS AND AMS ARE SAE INTERNATIONAL PUBLICATIONS ASME IS AN AMERICAN SOCIETY OF MECHANICAL ENGINEERS PUBLICATION A
9、STM IS AN ASTM INTERNATIONAL PUBLICATION NASM IS A NATIONAL AEROSPACE STANDARD PUBLICATION AEROSPACE STANDARD AS3321SHEET 2 OF 3REV. ESTUD - STRAIGHT, RING LOCKED, CRES AMS5731 .3125-18UNJC X .3125-24UNJF 7. PERFORMANCE REQUIREMENTS WHEN INSTALLED PER NOTE 15: a. STUD SHALL HAVE A MINIMUM RESISTANCE
10、 TO PULLOUT OF 8325 LBF BASED ON A MINIMUM PARENT MATERIAL SHEAR STRENGTH OF 25 KSI. TEST PROCEDURE PER NASM45909 AS APPLICABLE. b. STUD SHALL PRODUCE A MINIMUM ROTATIONAL RESISTANCE VALUE OF 160 LBFxIN. TEST PROCEDURE PER NASM45909 AS APPLICABLE. 8. SURFACE TEXTURE: SYMBOLS PER ANSI Y14.36. REQUIRE
11、MENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, SURFACES TO BE 125 MICROINCHES Ra, EXCEPT SERRATIONS TO BE 250 MICROINCHES Ra, AND THREAD FLANKS AND ROOT TO BE 32 MICROINCHES Ra. 9. BREAK EDGES .003 TO .015, EXCEPT LOCKRING. NO BREAK EDGE ALLOWED ON ENTRY OF LOCKRING. 10. DIMENSIONING AND TOLERANC
12、ING: ASME Y14.5M-1982M (ASME PUBLICATION). /11/ LOCKRING INTERNAL SERRATIONS TO HAVE FREE MOVEMENT ALONG STUD AXIS. DIMENSIONS APPLY WHEN LOCKRING IS AGAINST STOP TOWARD 0.3125-24 THREAD. 12. DIMENSIONS IN INCHES. 13. MARK AEROSPACE STANDARD IDENTIFICATION NUMBER AND MANUFACTURERS IDENTIFICATION ON
13、CONTAINER. 14. DO NOT USE UNASSIGNED AEROSPACE STANDARD IDENTIFICATION NUMBERS. 15. STUD TO BE INSTALLED IN ACCORDANCE WITH AS1561 INTO TAPPED HOLE PER AS1620. 16. A CHANGE BAR (l) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS, NOT EDITORIA
14、L 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 O
15、NLY. 17. INVENTORIED PARTS CONFORMING TO AS3321, REVISION B MAY BE USED TO DEPLETION. AEROSPACE STANDARD AS3321SHEET 3 OF 3REV. ESTUD - STRAIGHT, RING LOCKED, CRES AMS5731 .3125-18UNJC X .3125-24UNJF TABLE 1 - DIMENSIONS ASIDENTIFICATION NUMBER LREF A0.015 B APPROX MASSLB/100 AS3321-01 AS3321-02 AS3
16、321-03 AS3321-04 AS3321-05 AS3321-06 AS3321-07 AS3321-08 AS3321-09 AS3321-10 AS3321-11 AS3321-12 AS3321-13 AS3321-14 AS3321-15 AS3321-16 AS3321-17 AS3321-18 AS3321-19 AS3321-20 AS3321-21 AS3321-22 AS3321-23 AS3321-24 AS3321-25 AS3321-26 AS3321-27 AS3321-28 AS3321-29 AS3321-30 1.510 1.572 1.635 1.698
17、 1.760 1.822 1.885 1.948 2.010 2.072 2.135 2.198 2.260 2.322 2.385 2.448 2.510 2.572 2.635 2.698 2.760 2.885 3.010 3.135 3.260 3.385 3.510 3.635 3.760 3.885 .750 .812 .875 .938 1.000 1.062 1.125 1.188 1.250 1.312 1.375 1.438 1.500 1.562 1.625 1.688 1.750 1.812 1.875 1.938 2.000 2.125 2.250 2.375 2.500 2.625 2.750 2.875 3.000 3.125 .493.555.617.680.719.719.719.719.719.719.719.719.719.719.719.719.719.719.719.719.719.719.719.719.719.719.719.719.719.7192.822.943.073.203.323.453.583.713.833.964.094.214.344.474.594.724.854.985.105.235.365.615.866.126.376.636.887.137.397.64
