SAE AS 3478D-2013 NUT SELF-LOCKING PLATE TWO LUG LOW HEIGHT UNS S66286 CLASS 125 KSI 800 《等级为125 KSI 800℉最低高度、双耳托板自锁螺母UNS S66286》.pdf

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1、AEROSPACE STANDARD NUT, SELF-LOCKING, PLATE, TWO LUG, LOW HEIGHT, UNS S66286, CLASS: 125 KSI/800 F AS3478Copyright 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, mechanic

2、al, photocopying, 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 1991-02REAFFIRMED

3、2007-06 REVISED 2013-07THIRD ANGLE PROJECTION CUSTODIAN: E-25 REV.DFEDERAL SUPPLY CLASS 5310 AS3478SHEET 1 OF 3REV. DPROCUREMENT SPECIFICATION: AS4393 /4/SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineering sciences. Theuse of

4、this report is entirely 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, orca

5、ncelled. SAE invites yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS3478DRATIONALE REVISE THREAD SPECIFICATION TO AS8879, CORRECT ERROR IN DIMENSION REFERENCE IN VIEW AB, ADD TOLERANCES FOR

6、DIMENSIONS C SILVER PLATE ONLY ON THREADS, EXCEPT: a. SIZE -01 MAY HAVE OPTIONAL COVERAGE ON COUNTERSINK. b. SIZE -02 THROUGH -05 SILVER PLATING IS OPTIONAL IN THE COUNTERBORE OR COUNTERSINK AND MAY BE INCOMPLETE, BUT NO PLATING SHALL EXTEND TO THE BEARING SURFACE OR THE TOP OF THE NUT. DIMENSIONS A

7、PPLY AFTER PLATING. /4/ PROCUREMENT SPECIFICATION: AS4393, EXCEPT AS FOLLOWS: a. BAKE AT 800 F 15 F IN LIEU OF 1200 F 15 F FOR NUTS TESTED AFTER BAKE. b. AXIAL STRENGTH LOAD IS PER NASM25027. SEE TABLE 1B. /5/ SIZE -01 SHALL BE COUNTERSUNK TO DIAMETER J. SIZE -02 AND LARGER SHALL BE COUNTERBORED TO

8、DIAMETER D AND .062 MINIMUM DEPTH. 6. HARDNESS: 44 HRC MAXIMUM. 7. REMOVE BURRS AND SHARP EDGES. 8. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, SURFACES TO BE 125 MICROINCHES Ra. 9. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M-1982 (ASME PUBLIC

9、ATION). 10. DIMENSIONS ARE IN INCHES. 11. DO NOT USE UNASSIGNED PART NUMBERS. AEROSPACE STANDARD AS3478SHEET 3 OF 3REV. DNUT, SELF-LOCKING, PLATE, TWO LUG, LOW HEIGHT, UNS S66286, CLASS: 125 KSI/800 F 12. CLASSIFICATION: 125 KSI MINIMUM AXIAL STRENGTH AT ROOM TEMPERATURE. 800 F MAXIMUM BAKING TEMPER

10、ATURE FOR NUTS TESTED AFTER BAKING. 13. A CHANGE BAR (l) 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

11、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. NASM IS AN AEROSPACE INDUSTRIES ASSOCIATION PUBLICATION.