1、AEROSPACE STANDARD BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, SILVER PLATED, NICKEL ALLOY, UNS N07718, 185 KSI MIN, .4375-20 UNJF-3AAS3254Copyright 2013 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or
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3、g SAE WEB ADDRESS: http:/www.sae.org ISSUED 1980-07REAFFIRMED 2007-06 REVISED 2013-04THIRD ANGLE PROJECTION CUSTODIAN: E-25 REV.CFEDERAL SUPPLY CLASS 5306 AS3254SHEET 1 OF 3REV. CPROCUREMENT SPECIFICATION: AS7466SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvan
4、ce thestate of technicalandengineering sciences. Theuse ofthis 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 a
5、t which time itmay berevised, reaffirmed, stabilized, orcancelled. SAE invites yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS3254CRATIONALE REVISE WRENCHING ELEMENT RUNOUT CALLOUT (RELOCATE
6、 FROM WRENCH FLATS TO POINTS). REVISE THREAD SPECIFICATION TO AS8879. REVISE LIGHTENING HOLE CONFIGURATION (ADD SECTION VIEW) TO ALLOW OPTIONAL SHAPE AT BOTTOM OF HOLE, ADD SYMBOL FOR AND MMC TO POSITION TOLERANCE FOR SAFETY WIRE HOLES, DELETE .015 MIN RADIUS AT BASE OF WRENCH PAD, AND FIGURE 1 REDR
7、AWN FIGURE 1 - BOLT AEROSPACE STANDARD AS3254SHEET 2 OF 3REV. CBOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, SILVER PLATED, NICKEL ALLOY, UNS N07718, 185 KSI MIN, .4375-20 UNJF-3ATABLE 1 - PART NUMBERS AND DIMENSIONS PART NO. L NMINMMAXAPPROX.MASSLB/100 PART NO. L NMINMMAXA
8、PPROX.MASSLB/100 AS3254-04 .678 - .698 .030 .125 5.21 AS3254-31 2.740 - 2.760 1.465 1.625 13.13 AS3254-05 .740 - .760 .030 .125 5.46 AS3254-32 2.865 - 2.885 1.590 1.750 13.61 AS3254-06 .802 - .822 .030 .125 5.70 AS3254-33 2.990 - 3.010 1.715 1.875 14.09 AS3254-07 .865 - .885 .030 .125 5.94 AS3254-34
9、 3.115 - 3.135 1.840 2.000 14.57 AS3254-08 .928 - .948 .030 .125 6.18 AS3254-35 3.240 - 3.260 1.965 2.125 15.05 AS3254-09 .990 - 1.010 .030 .125 6.42 AS3254-36 3.365 - 3.385 2.090 2.250 15.53 AS3254-10 1.052 - 1.072 .030 .125 6.65 AS3254-37 3.490 - 3.510 2.215 2.375 16.01 AS3254-11 1.115 - 1.135 .03
10、0 .125 6.89 AS3254-38 3.615 - 3.635 2.340 2.500 16.48 AS3254-12 1.178 - 1.198 .030 .125 7.13 AS3254-39 3.740 - 3.760 2.465 2.625 16.97 AS3254-13 1.240 - 1.260 .030 .125 7.37 AS3254-40 3.865 - 3.885 2.590 2.750 17.45 AS3254-14 1.302 - 1.322 .030 .188 7.62 AS3254-41 3.990 - 4.010 2.715 2.875 17.93 AS3
11、254-15 1.365 - 1.385 .090 .250 7.86 AS3254-42 4.115 - 4.135 2.840 3.000 18.40 AS3254-16 1.428 - 1.448 .153 .312 8.10 AS3254-43 4.240 - 4.260 2.965 3.125 18.89 AS3254-17 1.490 - 1.510 .215 .375 8.34 AS3254-44 4.365 - 4.385 3.090 3.250 19.37 AS3254-18 1.552 - 1.572 .277 .438 8.57 AS3254-45 4.490 - 4.5
12、10 3.215 3.375 19.85 AS3254-19 1.615 - 1.635 .340 .500 8.81 AS3254-46 4.615 - 4.635 3.340 3.500 20.32 AS3254-20 1.678 - 1.698 .403 .562 9.05 AS3254-47 4.740 - 4.760 3.465 3.625 20.80 AS3254-21 1.740 - 1.760 .465 .625 9.27 AS3254-48 4.865 - 4.885 3.590 3.750 21.89 AS3254-22 1.802 - 1.822 .527 .688 9.
13、53 AS3254-49 4.990 - 5.010 3.715 3.875 21.77 AS3254-23 1.865 - 1.885 .590 .750 9.77 AS3254-50 5.115 - 5.135 3.840 4.000 22.24 AS3254-24 1.928 - 1.948 .653 .812 10.02 AS3254-51 5.240 - 5.260 3.965 4.125 22.72 AS3254-25 1.990 - 2.010 .715 .875 10.26 AS3254-52 5.365 - 5.385 4.090 4.250 23.21 AS3254-26
14、2.115 - 2.135 .840 1.000 10.73 AS3254-53 5.490 - 5.510 4.215 4.375 23.69 AS3254-27 2.240 - 2.260 .965 1.125 11.21 AS3254-54 5.615 - 5.635 4.340 4.500 24.18 AS3254-28 2.365 - 2.385 1.090 1.250 11.69 AS3254-55 5.740 - 5.760 4.465 4.625 24.67 AS3254-29 2.490 - 2.510 1.215 1.375 12.18 AS3254-56 5.865 -
15、5.885 4.590 4.750 25.16 AS3254-30 2.615 - 2.635 1.340 1.500 12.65 AS3254-57 5.990 - 6.010 4.715 4.875 25.64 AEROSPACE STANDARD AS3254SHEET 3 OF 3REV. CBOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, SILVER PLATED, NICKEL ALLOY, UNS N07718, 185 KSI MIN, .4375-20 UNJF-3ANOTES:
16、1. FOR PART NUMBERS AS3254-04 THRU AS3254-24 THE THREAD PD (DATUM Z ) SHALL REPLACE DATUM Y . 2. MATERIAL: CORROSION AND HEAT RESISTANT NICKEL ALLOY PER AMS5662 (UNS N07718). 3. PROCUREMENT SPECIFICATION: AS7466. 4. FINISH: SILVER PLATE PER AMS2411 .0002 TO .0006 THICK AT THREAD PD. DIMENSIONS SPECI
17、FIED ARE AFTER PLATING. 5. FLUORESCENT PENETRANT INSPECTION BEFORE PLATING PER ASTM E1417/E1417M, TYPE 1, SENSITIVITY LEVEL 2 MIN. 6. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, SURFACES TO BE 125 MICROINCHES Ra. 7. BREAK SHARP EDGES .003 TO .0
18、15 UNLESS OTHERWISE SPECIFIED. 8. DIMENSIONS IN INCHES. 9. DIMENSIONING AND TOLERANCING PER 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 CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS, NOT
19、 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.
