1、AEROSPACE STANDARD NUT, SELF-LOCKING, DOUBLE HEXAGON, AMS5709 (UNS N07001), 180 KSI AS3291Copyright 2013 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, photocopyin
2、g, 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 1982-06REAFFIRMED 2004-07 REVISED
3、 2013-06THIRD ANGLE PROJECTION CUSTODIAN: E-25 REV.AFEDERAL SUPPLY CLASS 5310 AS3291SHEET 1 OF 2REV. APROCUREMENT SPECIFICATION: AS7253SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineering sciences. Theuse ofthis report is enti
4、rely voluntary, 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 invite
5、s yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS3291ARATIONALE REVISE THREAD SPECIFICATION TO AS8879, ADD FLATNESS REQUIREMENT PER AS1132, REVISE FPI NOTE, ADD PART NUMBER MARKING, DELETE D
6、UAL DIMENSIONING, REFORMAT TABLE 1, REDRAW FIGURE 1, AND GENERAL EDITORIAL UPDATE. FIGURE 1 - NUT AEROSPACE STANDARD AS3291SHEET 2 OF 2REV. ANUT, SELF-LOCKING, DOUBLE HEXAGON, AMS5709 (UNS N07001), 180 KSI TABLE 1A - PART NUMBERS AND DIMENSIONS T, A, B, C, D, E, F, AND G PARTNUMBER THREADTANOM BMINC
7、 MAX D E MIN F G AS3291-09 .1900-32 UNJF-3B .3125 .100 .380 .340-.355 .342 .050-.065 .190-.220 AS3291-10 .2500-28 UNJF-3B .3750 .125 .443 .396-.411 .405 .055-.070 .250-.280 AS3291-11 .3125-24 UNJF-3B .4375 .140 .536 .458-.473 .498 .060-.075 .312-.342 AS3291-12 .3750-24 UNJF-3B .5000 .160 .598 .490-.
8、505 .554 .065-.080 .375-.405 TABLE 1B - DIMENSIONS L, M, N, P, T, U, W, AA, AND APPROX. MASS PARTNUMBER L M MAX N PMAX T U W AA APPROXMASSLB/100 AS3291-09 .190-.210 .326 .005-.030 .100 .170-.210 .004 .006 .0014 .50 AS3291-10 .250-.270 .392 .005-.030 .120 .220-.265 .005 .007 .0014 .80 AS3291-11 .312-
9、.332 .458 .005-.035 .130 .250-.300 .005 .008 .0016 1.30 AS3291-12 .375-.395 .524 .005-.040 .140 .300-.360 .005 .009 .0016 1.70 NOTES: 1. MATERIAL: CORROSION AND HEAT RESISTANT NICKEL ALLOY AMS5709 (UNS N07001). 2. HARDNESS: 32-42 HRC OR EQUIVALENT. 3. FINISH: SILVER PLATE PER AMS2411. DIMENSIONS ARE
10、 AFTER PLATING. 4. PERFORMANCE SPECIFICATION: AS7253. 5. FLUORESCENT PENETRANT INSPECTION BEFORE PLATING PER ASTM E1417/E1417M, TYPE I, SENSITIVITY LEVEL 2 MIN AND ACCEPTANCE CRITERIA PER AS3071. 6. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, S
11、URFACES TO BE 125 MICROINCHES Ra. 7. BREAK SHARP EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 8. DIMENSIONS ARE IN INCHES 9. DIMENSIONING AND TOLERANCING: ANSI Y14.5M-1982 (ASME PUBLICATION). 10. DO NOT USE UNASSIGNED PART NUMBERS. 11. A CHANGE BAR (l) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENI
12、ENCE 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. AS AND AMS ARE SAE INTERNATIONAL PUBLICATIONS. ASME IS AN AMERICAN SOCIETY OF MECHANICAL ENGINEERS PUBLICATION. ASTM IS AN ASTM INTERNATIONAL PUBLICATION.
