1、 AEROSPACE STANDARD BOLT, MACHINE, DOUBLE HEX, EXTENDED WASHER HEAD, CLOSE TOL. SHANK, UNS N07718, 185 KSI MIN .3750-24 UNJF-3A (STRESS RUPTURE RESISTANT) AS3420Copyright 2017 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transm
2、itted, in any form or by any means, electronic, mechanical, 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
3、WEB ADDRESS: http:/www.sae.org ISSUED1985-12REAFFIRMED 2006-05REVISED2017-03THIRD ANGLE PROJECTION CUSTODIAN: E-25 REV.BFEDERAL SUPPLY CLASS 5306 AS3420 SHEET 1 OF 3 REV. B PROCUREMENT SPECIFICATION: AS7467 /3/ SAETechnicalStandardsBoard Rulesprovidethat:“Thisreportispublished bySAEto advance the st
4、ate oftechnicaland engineering sciences.The use ofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarising therefrom,isthe sole responsibilityoftheuser.”SAE reviewseachtechnicalreportatleasteveryfiveyearsatwhich time itmaybe revised,rea
5、ffirmed,stabilized,orcancelled.SAEinvitesyourwritten commentsandsuggestions.SAE values your input. To provide feedback on this Technical Report, please visit http:/standards.sae.org/AS3420B RATIONALE DELETE RADIUS AT TRANSITION OF WRENCH FLATS AND BASE FLANGE, UPDATE FEATURE CONTROL FRAME FOR STRAIG
6、HTNESS, ADD EDGE DISTANCE EXCEPTION FOR HEAD MARKING, ADD SURFACE TEXTURE REQUIREMENTS FOR HEAD, WRENCH FLATS AND BOLT END, ADD NEW NOTE FOR DISPOSITION OF EXISTING INVENTORY, UPDATE FPI REFERENCE AND ADD STANDARD SENSITIVITY REQUIREMENT, FIGURE 1 RE-DRAWN AND GENERAL EDITORIAL CHANGES. FIGURE 1 BOL
7、T AEROSPACE STANDARD AS3420 SHEET 2 OF 3 REV. B BOLT, MACHINE, DOUBLE HEX, EXTENDED WASHER HEAD, CLOSE TOL. SHANK, UNS N07718, 185 KSI MIN .3750-24 UNJF-3A (STRESS RUPTURE RESISTANT) TABLE 1 PART NUMBERS, DIMENSIONS L, G, K, AND APPROX. MASS PART NUMBER L .010 G MIN K MAX APPROX MASS LB/100 PART NUM
8、BER L .010 G MIN K MAX APPROX MASS LB/100 AS3420-03 AS3420-04 AS3420-05 AS3420-06 AS3420-07 AS3420-08 AS3420-09 AS3420-10 AS3420-11 AS3420-12 AS3420-13 AS3420-14 AS3420-15 AS3420-16 AS3420-17 AS3420-18 AS3420-19 AS3420-20 AS3420-21 AS3420-22 AS3420-23 AS3420-24 AS3420-25 AS3420-26 AS3420-27 AS3420-2
9、8 AS3420-29 AS3420-30 AS3420-31 AS3420-32 AS3420-33 AS3420-34 AS3420-35 AS3420-36 AS3420-37 AS3420-38 AS3420-39 AS3420-40 AS3420-41 AS3420-42 AS3420-43 AS3420-44 AS3420-45 AS3420-46 AS3420-47 AS3420-48 AS3420-49 AS3420-50 AS3420-51 AS3420-52 .848 .910 .972 1.035 1.098 1.160 1.222 1.285 1.348 1.410 1
10、472 1.535 1.598 1.660 1.722 1.785 1.848 1.910 1.972 2.035 2.098 2.160 2.222 2.285 2.348 2.410 2.472 2.535 2.598 2.660 2.722 2.785 2.848 2.910 2.972 3.035 3.098 3.160 3.222 3.285 3.348 3.410 3.472 3.535 3.598 3.660 3.722 3.785 3.848 3.910 .105 .167 .229 .292 .355 .417 .479 .542 .605 .667 .729 .792 .
11、855 .917 .979 1.042 1.105 1.167 1.229 1.292 1.355 1.417 1.479 1.542 1.605 1.667 1.729 1.792 1.855 1.917 1.979 2.042 2.105 2.167 2.229 2.292 2.355 2.417 2.479 2.542 2.605 2.667 2.729 2.792 2.855 2.917 2.979 3.042 3.105 3.167 .198 .260 .322 .385 .448 .510 .572 .635 .698 .760 .822 .885 .948 1.010 1.072
12、 1.135 1.198 1.260 1.322 1.385 1.448 1.510 1.572 1.635 1.698 1.760 1.822 1.885 1.948 2.010 2.072 2.135 2.198 2.260 2.322 2.385 2.448 2.510 2.572 2.635 2.698 2.760 2.822 2.885 2.948 3.010 3.072 3.135 3.198 3.260 4.18 4.38 4.58 4.79 5.00 5.20 5.40 5.60 5.81 6.01 6.21 6.42 6.62 6.82 7.02 7.23 7.44 7.64
13、 7.84 8.04 8.25 8.45 8.65 8.86 9.06 9.26 9.47 9.67 9.87 10.08 10.28 10.48 10.69 10.89 11.09 11.30 11.50 11.70 11.90 12.11 12.31 12.52 12.72 12.92 13.13 13.33 13.53 13.74 13.94 14.14 AS3420-53 AS3420-54 AS3420-55 AS3420-56 AS3420-57 AS3420-58 AS3420-59 AS3420-60 AS3420-61 AS3420-62 AS3420-63 AS3420-6
14、4 AS3420-65 AS3420-66 AS3420-67 AS3420-68 AS3420-69 AS3420-70 AS3420-71 AS3420-72 AS3420-73 AS3420-74 AS3420-75 AS3420-76 AS3420-77 AS3420-78 AS3420-79 AS3420-80 3.972 4.035 4.098 4.160 4.222 4.285 4.348 4.410 4.472 4.535 4.598 4.660 4.722 4.785 4.848 4.910 4.972 5.035 5.098 5.160 5.222 5.285 5.348
15、5.410 5.472 5.535 5.598 5.660 3.229 3.292 3.355 3.417 3.479 3.542 3.605 3.667 3.729 3.792 3.855 3.917 3.979 4.042 4.105 4.167 4.229 4.292 4.355 4.417 4.479 4.542 4.605 4.667 4.729 4.792 4.855 4.917 3.322 3.385 3.448 3.510 3.572 3.635 3.698 3.760 3.822 3.885 3.948 4.010 4.072 4.135 4.198 4.260 4.322
16、4.385 4.448 4.510 4.572 4.635 4.698 4.760 4.822 4.885 4.948 5.010 14.34 14.55 14.76 14.96 15.16 15.36 15.57 15.77 15.97 16.18 16.38 16.58 16.78 16.99 17.19 17.40 17.60 17.80 18.01 18.21 18.41 18.62 18.82 19.02 19.22 19.43 19.63 19.83 AEROSPACE STANDARD AS3420 SHEET 3 OF 3 REV. B BOLT, MACHINE, DOUBL
17、E HEX, EXTENDED WASHER HEAD, CLOSE TOL. SHANK, UNS N07718, 185 KSI MIN .3750-24 UNJF-3A (STRESS RUPTURE RESISTANT) NOTES /1/ FOR PART NUMBERS AS3420-03 THROUGH AS3420-10 DATUM A SHALL REPLACE DATUM B. 2. MATERIAL: CORROSION AND HEAT RESISTANT NICKEL ALLOY AMS5662 (UNS N07718). /3/ PROCUREMENT SPECIF
18、ICATION: AS7467. EXCEPT ROLL THREAD AND COLD WORK FILLET RADIUS AFTER PRECIPITATION HARDENING. 4. FLUORESCENT PENETRANT INSPECTION PER ASTM E1417/E1417M, SENSITIVITY LEVEL 2 MIN. 5. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, SURFACES TO BE 125
19、 MICROINCHES Ra. EXCEPT UPSET HEAD TO BE 250 MICROINCHES Ra. 6. BREAK SHARP EDGES .003 TO .015, UNLESS OTHERWISE SPECIFIED. 7. DIMENSIONS ARE IN INCHES. 8. DIMENSIONS AND TOLERANCING ANSI Y14.5M-1982 (ASME PUBLICATION). 9. UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS
20、 OF THE APPLICABLE DRAWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK IS DEPLETED. 10. DO NOT USE UNASSIGNED PART NUMBERS. 11. REVISION INDICATOR: A CHANGE BAR (|) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS, NOT EDITORIAL CHAN
21、GES 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 PUBLICATIONS. ASTM IS AN ASTM INTERNATIONAL PUBLICATION.
