1、AEROSPACE STANDARD BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, PD SHANK, AMS4967 (TI 6AL-4V) .2500-28 UNJF-3A AS9751Copyright 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,
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3、D2000-08REAFFIRMED 2005-05REVISED2014-06THIRD ANGLE PROJECTION CUSTODIAN: E-25 REV.AFEDERAL SUPPLY CLASS 5306 AS9751SHEET 1 OF 3REV. APROCUREMENT SPECIFICATION: AS7461SAE Technical Standards Board Rules provide that: “This report is publishedbySAEtoadvance thestateoftechnical and engineeringsciences
4、. The useofthis reportisentirely voluntary, and its applicabilityand suitability for any particularuse, includingany patent infringement arising therefrom, isthe soleresponsibility of the user.”SAE reviews each technical report at least every five years at whichtime it mayberevised, reaffirmed, stab
5、ilized, or cancelled. SAE invites your writtencomments and suggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS9751ARATIONALE GENERAL REVISION. REVISE LIGHTENING HOLE CONFIGURATION (ADD SECTION VIEW) TO ALLOW OPTIONAL
6、SHAPE AT BOTTOM OF HOLE, ADD EXCEPTION TO EDGE DISTANCE REQUIREMENTS FOR HEAD MARKING, UPDATE THREAD SPECIFICATION TO AS8879, UPDATE SURFACE FINISH REQUIREMENTS, ADD AS3062 AND DELETE NOTE ON FILLET FOR INCOMPLETE THREAD REQUIREMENTS, ADD DATUM REQUIREMENTS FOR -04 THRU -18 LENGTHS (NEW NOTE 1), UPD
7、ATE DIMENSIONING AND TOLERANCING TO ANSI Y14.5M-1982, DELETE .015 MAX RADIUS AT BASE OF WRENCH PAD, DELETE HARDNESS NOTE, AND FIGURE 1 REDRAWN. NOTICE THE INITIAL SAE PUBLICATION OF THIS DOCUMENT WAS TAKEN DIRECTLY FROM U.S. MILITARY STANDARD MS9751, NOTICE 1. THIS SAE STANDARD RETAINS THE SAME PART
8、 NUMBERS ESTABLISHED BY THE ORIGINAL MILITARY DOCUMENT. ANY REQUIREMENTS ASSOCIATED WITH QUALIFIED PRODUCTS LISTS (QPL) MAY CONTINUE TO BE MANDATORY FOR DOD CONTRACTS. REQUIREMENTS RELATING TO QPLS HAVE NOT BEEN ADOPTED BY THE SAE FOR THIS STANDARD AND ARE NOT PART OF THIS SAE DOCUMENT. FIGURE 1 - B
9、OLT AEROSPACE STANDARD AS9751SHEET 2 OF 3REV. ABOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, PD SHANK, AMS4967 (TI 6AL-4V), .2500-28 UNJF-3ATABLE 1 - PART NUMBERS AND DIMENSIONS PARTNUMBER L K APPROX WEIGHT LB/100 PARTNUMBER L K APPROX WEIGHT LB/100 MS9751-04 .365- .385 .079- .099 .73 MS9751-
10、34 2.615-2.635 1.815-1.875 2.17 MS9751-05 .428- .448 .079- .099 .77 MS9751-35 2.740-2.760 1.940-2.000 2.25 MS9751-06 .490- .510 .079- .099 .81 MS9751-36 2.865-2.885 2.065-2.125 2.33 MS9751-07 .552- .572 .079- .099 .85 MS9751-37 2.990-3.010 2.190-2.250 2.41 MS9751-08 .615- .635 .079- .099 .89 MS9751-
11、38 3.115-3.135 2.315-2.375 2.49 MS9751-09 .678- .698 .079- .099 .93 MS9751-39 3.240-3.260 2.440-2.500 2.57 MS9751-10 .740- .760 .079- .099 .97 MS9751-40 3.365-3.385 2.565-2.625 2.65 MS9751-11 .802- .822 .079- .099 1.04 MS9751-41 3.490-3.510 2.690-2.750 2.73 MS9751-12 .865- .885 .079- .125 1.05 MS975
12、1-42 3.615-3.635 2.815-2.875 2.81 MS9751-13 .928- .948 .128- .188 1.09 MS9751-43 3.740-3.760 2.940-3.000 2.89 MS9751-14 .990-1.010 .190- .250 1.13 MS9751-44 3.865-3.885 3.065-3.125 2.97 MS9751-15 1.052-1.072 .252- .312 1.17 MS9751-45 3.990-4.010 3.190-3.250 3.05 MS9751-16 1.115-1.135 .315- .375 1.21
13、 MS9751-46 4.115-4.135 3.315-3.375 3.13 MS9751-17 1.178-1.198 .378- .438 1.25 MS9751-47 4.240-4.260 3.440-3.500 3.21 MS9751-18 1.240-1.260 .440- .500 1.29 MS9751-48 4.365-4.385 3.565-3.625 3.29 MS9751-19 1.302-1.322 .502- .562 1.33 MS9751-49 4.490-4.510 3.690-3.750 3.37 MS9751-20 1.365-1.385 .565- .
14、625 1.37 MS9751-50 4.615-4.635 3.815-3.875 3.45 MS9751-21 1.428-1.448 .628- .688 1.41 MS9751-51 4.740-4.760 3.940-4.000 3.53 MS9751-22 1.490-1.510 .690- .750 1.45 MS9751-52 4.865-4.885 4.065-4.125 3.61 MS9751-23 1.552-1.572 .752- .812 1.49 MS9751-53 4.990-5.010 4.190-4.250 3.69 MS9751-24 1.615-1.635
15、 .815- .875 1.53 MS9751-54 5.115-5.135 4.315-4.375 3.78 MS9751-25 1.678-1.698 .878- .938 1.57 MS9751-55 5.240-5.260 4.440-4.500 3.86 MS9751-26 1.740-1.760 .940-1.000 1.61 MS9751-56 5.365-5.385 4.565-4.625 3.94 MS9751-27 1.802-1.822 1.002-1.062 1.65 MS9751-57 5.490-5.510 4.690-4.750 4.02 MS9751-28 1.
16、865-1.885 1.065-1.125 1.69 MS9751-58 5.615-5.635 4.815-4.875 4.10 MS9751-29 1.990-2.010 1.190-1.250 1.77 MS9751-59 5.740-5.760 4.940-5.000 4.18 MS9751-30 2.115-2.135 1.315-1.375 1.85 MS9751-60 5.865-5.885 5.065-5.125 4.26 MS9751-31 2.240-2.260 1.440-1.500 1.93 MS9751-61 5.990-6.010 5.190-5.250 4.34
17、MS9751-32 2.365-2.385 1.565-1.625 2.01 MS9751-33 2.490-2.510 1.690-1.750 2.09 NOTES: 1. FOR PART NUMBERS MS9751-04 THRU MS9751-18 DATUM Z SHALL REPLACE DATUM Y.2. PROCUREMENT SPECIFICATION: AS7461. 3. MATERIAL: AMS4967 (TITANIUM ALLOY 6AL-4V, COMPOSITION SIMILAR TO UNS R56400). 4. FLUORESCENT PENETR
18、ANT INSPECTION PER ASTM E1417/E1417M, TYPE 1, SENSITIVITY LEVEL 2 MIN. 5. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, SURFACES TO BE 125 MICROINCHES Ra EXCEPT UPSET HEAD. 6. BREAK SHARP EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 7. DIMENSIO
19、NS IN INCHES. 8. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M-1982 (ASME PUBLICATION). 9. DO NOT USE UNASSIGNED PART NUMBERS. AEROSPACE STANDARD AS9751SHEET 3 OF 3REV. ABOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, PD SHANK, AMS4967 (TI 6AL-4V), .2500-28 UNJF-3A13. A CHANGE BAR (l) LOCATED IN
20、 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. ASTM IS AN ASTM INTERNATIONAL PUBLICATION.
