1、AEROSPACE STANDARDNUT, SELF-LOCKING, PLATE, TWO LUG,FLOATING, REDUCED RIVET SPACING, LOW HEIGHT,UNS S66286, CLASS: 125 KSI/800 FAS3481Copyright 2015 SAE InternationalAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any
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3、ISSUED1991-02 REAFFIRMED2007-06 REVISED2015-08THIRD ANGLE PROJECTIONCUSTODIAN: E-25REV.GFEDERAL SUPPLY CLASS5310AS3481SHEET 1 OF 3REV.GPROCUREMENT SPECIFICATION: AS4393SAE Technical StandardsBoardRulesprovidethat:“ThisreportispublishedbySAE toadvancethestateoftechnicalandengineering sciences. The us
4、e of thisreport isentirelyvoluntary, andits applicability andsuitability for any particularuse, includingany patent infringement arising therefrom,is the soleresponsibility of theuser.”SAE reviewseachtechnical reportatleasteveryfiveyearsatwhichtimeitmayberevised,reaffirmed,stabilized,orcancelled.SAE
5、invites yourwritten comments andsuggestions.SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS3481GRATIONALESILVER PLATING SPEC CORRECTED TO SHOW AS2411.FIGURE 1AEROSPACE STANDARDAS3481SHEET 2 OF 3REV.GNUT, SELF-LOCKING, PLATE, T
6、WO LUG,FLOATING, REDUCED RIVET SPACING, LOW HEIGHT,UNS S66286, CLASS: 125 KSI/800 FTABLE 1 - DIMENSIONS T TO HPART NUMBERTTTHREADAMAX B CDCOUNTERBORE MINEMINHMAXAS3481-01 .1380-32UNJC-3B .682 .290 - .357 .218 - .070 .171AS3481-02 .1640-32UNJC-3B .707 .290 - .367 .234 .168 .100 .250AS3481-03 .1900-32
7、UNJF-3B .739 .290 - .416 .250 .194 .100 .250AS3481-04 .2500-28UNJF-3B .801 .350 - .500 .281 .254 .100 .281AS3481-05 .3125-24UNJF-3B 1.010 .412 - .581 .359 .317 .117 .328TABLE 1 - DIMENSIONS G TO MASSPART NUMBERTGBASICK+.005-.000 J LAXIAL STRENGTHLBF MINAPPROX MASSLB/100AS3481-01 .437 .098 .178 - .27
8、0 .020 - .090 1130 .32AS3481-02 .468 .098 .204 - .270 .025 - .090 1720 .36AS3481-03 .500 .098 .230 - .270 .025 - .090 2460 .39AS3481-04 .562 .098 .290 - .330 .027 - .090 4580 .69AS3481-05 .718 .130 .352 - .392 .032 - .105 7390 1.10NOTES:1. MATERIAL:a. NUT: CORROSION AND HEAT RESISTANT STEEL AMS5525,
9、 AMS5731, OR AMS5734.b. BASKET: CORROSION AND HEAT RESISTANT STEEL AMS5525.2. HEAT TREATMENT: AFTER FORMING, PLATE NUTS SHALL BE PRECIPITATION HEAT TREATED TO A HARDNESS NOT TO EXCEED THAT SPECIFIED IN NOTE 4b.3. FINISH:a. NUT: SILVER PLATE PER AS2411; SILVER PLATE ONLY ON THREADS, EXCEPT:1. SIZE -0
10、1 MAY HAVE OPTIONAL COVERAGE ON COUNTERSINK.2. SIZE -02 THROUGH -05 MAY HAVE OPTIONAL COVERAGE IN COUNTERBORE TO .030 MAXIMUM DEPTH.DIMENSIONS APPLY AFTER PLATING.b. BASKET: PASSIVATE PER AMS2700 TYPE 2 OR 8.4. PROCUREMENT SPECIFICATION: AS4393, EXCEPT AS NOTED:a. BAKE AT 800 F 15 F IN LIEU OF 1200
11、F 15 F FOR NUTS TESTED AFTER BAKE.b. HARDNESS: 44 HRC MAXIMUM/5/ SIZE -01 MAY BE COUNTERSUNK OR RADIUSED WITHIN J. SIZE -02 AND LARGER SHALL BE COUNTERBORED TO D TO .062 MINIMUM DEPTH.6. RADIAL FLOAT OF NUT THREADS RELATIVE TO BASKET J, .020 MINIMUM./7/ J TO BE CENTERED ON WIDTH B WITHIN .010.8 REMO
12、VE BURRS AND SHARP EDGES.9. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, SURFACES TO BE 125 MICROINCHES Ra.10. DIMENSIONING AND TOLERANCING: ANSI Y14.5M-1982 (ASME PUBLICATION)AEROSPACE STANDARDAS3481SHEET 3 OF 3REV.GNUT, SELF-LOCKING, PLATE, TW
13、O LUG,FLOATING, REDUCED RIVET SPACING, LOW HEIGHT,UNS S66286, CLASS: 125 KSI/800 F11. DIMENSIONS ARE IN INCHES.12. DO NOT USE UNASSIGNED PART NUMBERS.13. UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF THE APPLICABLE DRAWINGOR SPECIFICATION MAY BE PROCURED AND USED U
14、NTIL STOCK IS DEPLETED.14. 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 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.
