1、AEROSPACE STANDARD BOLT, MACHINE - DOUBLE HEX EXTENDED WASHER HEAD, CLOSE TOLERANCE SHANK, AMS5643 (UNS S17400), .4375-20, UNJF-3A AS3171Copyright 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
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3、ae.org ISSUED 1976-03REAFFIRMED 2006-10 REVISED 2013-09THIRD ANGLE PROJECTION CUSTODIAN: E-25 REV.AFEDERAL SUPPLY CLASS XXXX AS3171SHEET 1 OF 3REV. APROCUREMENT SPECIFICATION: AS7474 /8/SAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalan
4、dengineering 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 at which time itmay berevis
5、ed, 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/AS3171ARATIONALE REVISE THREAD SPECIFICATION TO AS8879. REVISE LIGHTENING HOLE CONFIGURATION
6、 (ADD SECTION VIEW) TO ALLOW OPTIONAL SHAPE AT BOTTOM OF HOLE, DELETE .015 MAX RADIUS AT BASE OF WRENCH PAD, UPDATE FPI REQUIREMENTS, ADD SURFACE FINISH REQUIREMENTS TO BOLT HEAD, ADD AS3062 FOR THREAD RUNOUT, ADD MIN. BEARING DIA, DELETE METRIC DIMENSIONS, UPDATE ANSI Y14.5-1973 TO ANSI Y14.5M- 198
7、2, GENERAL EDITORIAL UPDATE, REFERENCES UDATED AND FIGURE 1 REDRAWN. FIGURE 1 - BOLT AEROSPACE STANDARD AS3171SHEET 2 OF 3REV. ABOLT, MACHINE - DOUBLE HEX EXTENDED WASHER HEAD, CLOSE TOLERANCE SHANK, AMS5643 (UNS S17400), .4375-20, UNJF-3A TABLE 1 - PART NUMBERS AND DIMENSIONS PART NO. L GMINKMAXAPP
8、ROX. MASSLB/100 PART NO. L GMINKMAXAPPROX. MASSLB/100 AS3171-03 .875- .895 .088 .198 6.03 AS3171-45 3.499-3.519 2.712 2.822 17.01 AS3171-04 .937- .957 .150 .260 6.29 AS3171-46 3.562-3.582 2.775 2.885 17.27 AS3171-05 .999-1.019 .212 .322 6.55 AS3171-47 3.625-3.645 2.838 2.948 17.54 AS3171-06 1.062-1.
9、082 .275 .385 6.81 AS3171-48 3.687-3.707 2.900 3.010 17.79 AS3171-07 1.125-1.145 .338 .448 7.08 AS3171-49 3.749-3.769 2.962 3.072 18.06 AS3171-08 1.187-1.207 .400 .510 7.33 AS3171-50 3.812-2.832 3.025 3.135 18.32 AS3171-09 1.249-1.269 .462 .572 7.60 AS3171-51 3.875-3.895 3.088 3.198 18.59 AS3171-10
10、1.312-1.332 .525 .635 7.86 AS3171-52 3.937-3.957 3.150 3.260 18.84 AS3171-11 1.375-1.395 .588 .698 8.13 AS3171-53 3.999-4.019 3.212 3.322 19.11 AS3171-12 1.437-1.457 .650 .760 8.38 AS3171-54 4.062-4.082 3.275 3.385 19.37 AS3171-13 1.499-1.519 .712 .822 8.65 AS3171-55 4.125-4.145 3.338 3.448 19.63 AS
11、3171-14 1.562-1.582 .775 .885 8.90 AS3171-56 4.187-4.207 3.400 3.510 19.89 AS3171-15 1.625-1.645 .838 .948 9.17 AS3171-57 4.249-4.269 3.462 3.572 20.15 AS3171-16 1.687-1.707 .900 1.010 9.43 AS3171-58 4.312-4.332 3.525 3.635 20.41 AS3171-17 1.749-1.769 .962 1.072 9.69 AS3171-59 4.375-4.395 3.588 3.69
12、8 20.68 AS3171-18 1.812-1.832 1.025 1.135 9.95 AS3171-60 4.437-4.457 3.650 3.760 20.94 AS3171-19 1.875-1.895 1.088 1.198 10.22 AS3171-61 4.499-4.519 3.712 3.822 21.20 AS3171-20 1.937-1.957 1.150 1.260 10.47 AS3171-62 4.562-4.582 3.775 3.885 21.46 AS3171-21 1.999-2.019 1.212 1.322 10.74 AS3171-63 4.6
13、25-4.645 3.838 3.948 21.73 AS3171-22 2.062-2.082 1.275 1.385 11.00 AS3171-64 4.687-4.707 3.900 4.010 21.98 AS3171-23 2.125-2.145 1.338 1.448 11.26 AS3171-65 4.749-4.769 3.962 4.072 22.25 AS3171-24 2.187-2.207 1.400 1.510 11.52 AS3171-66 4.812-4.832 4.025 4.135 22.51 AS3171-25 2.249-2.269 1.462 1.572
14、 11.78 AS3171-67 4.875-4.895 4.088 4.198 22.77 AS3171-26 2.312-2.332 1.525 1.635 12.04 AS3171-68 4.937-4.957 4.150 4.260 23.03 AS3171-27 2.375-2.395 1.588 1.698 12.30 AS3171-69 4.999-5.019 4.212 4.322 23.28 AS3171-28 2.437-2.457 1.650 1.760 12.57 AS3171-70 5.062-5.082 4.275 4.385 23.55 AS3171-29 2.4
15、99-2.519 1.712 1.822 12.82 AS3171-71 5.125-5.145 4.338 4.448 23.81 AS3171-30 2.562-2.582 1.775 1.885 13.09 AS3171-72 5.187-5.207 4.400 4.510 24.08 AS3171-31 2.625-2.645 1.838 1.948 13.36 AS3171-73 5.249-5.269 4.462 4.572 24.33 AS3171-32 2.687-2.707 1.900 2.010 13.62 AS3171-74 5.312-5.332 4.525 4.635
16、 24.60 AS3171-33 2.749-2.769 1.962 2.072 13.87 AS3171-75 5.375-5.395 4.588 4.698 24.86 AS3171-34 2.812-2.832 2.025 2.135 14.14 AS3171-76 5.437-5.457 4.650 4.760 25.12 AS3171-35 2.875-2.895 2.088 2.198 14.40 AS3171-77 5.499-5.519 4.712 4.822 25.38 AS3171-36 2.937-2.957 2.150 2.260 14.66 AS3171-78 5.5
17、62-5.582 4.775 4.885 25.65 AS3171-37 2.999-3.019 2.212 2.322 14.92 AS3171-38 3.062-3.082 2.275 2.385 15.19 AS3171-39 3.125-3.145 2.338 2.448 15.44 AS3171-40 3.187-3.207 2.400 2.510 15.71 AS3171-41 3.249-3.269 2.462 2.572 15.97 AS3171-42 3.312-3.332 2.525 2.635 16.23 AS3171-43 3.375-3.395 2.588 2.698
18、 16.49 AS3171-44 3.437-3.457 2.650 2.760 16.75 AEROSPACE STANDARD AS3171SHEET 3 OF 3REV. ABOLT, MACHINE - DOUBLE HEX EXTENDED WASHER HEAD, CLOSE TOLERANCE SHANK, AMS5643 (UNS S17400), .4375-20, UNJF-3A NOTES: /1/ FOR PART NUMBERS AS3171-03 THRU AS3171-11 THE THREAD PD SHALL REPLACE DATUM B. 2. MATER
19、IAL: CORROSION AND HEAT RESISTANT ALLOY AMS5643 (SIMILAR TO UNS S17400.) 3. MANUFACTURING SPECIFICATION: AS7474. 4. FLUORESCENT PENETRANT INSPECTION PER ASTM E1417/E1417M, TYPE 1, SENSITIVITY LEVEL 2 MIN. 5. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ANSI B46.1. UNLESS OTHERWISE SPE
20、CIFIED, SURFACES TO BE 125 MICROINCHES Ra. 6. BREAK SHARP EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 7. DIMENSIONS IN INCHES. /8/ HEAD TO SHANK FILLET SHALL BE COLD ROLLED PER AS7474 AFTER HEAT TREATMENT. THE COLD ROLLING SHALL BE SUFFICIENT TO REMOVE ALL VISUAL EVIDENCE OF GRINDING OR TOOL MARK
21、S EXCEPT THAT DISTORTIONS AT “A” IN FIGURE 2 OF THE SPECIFICATION SHALL NOT BE PERMITTED ON THE HEAD BEARING AREA AND SHALL BE PERMITTED ON THE SHANK DIAMETER ONLY IF THE DISTORTION DOES NOT CAUSE THE SHANK DIAMETER TO EXCEED .4375 DIAMETER. 9. DIMENSIONING AND TOLERANCING: ANSI Y14.5 M-1982 (ASME P
22、UBLICATION). 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 EDITORIAL CHANGES, HAVE BEEN MADE TO THE PREVIOUS ISSUE OF THIS DOCUMENT. AN (R) SYMBOL TO THE LEFT OF THE DOCUMENT
23、 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.
