1、AEROSPACE STANDARD BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, SILVER PLATED, NICKEL ALLOY, UNS N07718, 185 KSI MIN, .5625-18 UNJF-3AAS3256Copyright 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 AS3256SHEET 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 andsuggestionsSAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS3256CRATIONALE REVISE WRENCHING ELEMENT RUNOUT CALLOUT (RELOCATE F
6、ROM 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 REDRAW
7、N. FIGURE 1 - BOLT AEROSPACE STANDARD AS3256SHEET 2 OF 3REV. CBOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, SILVER PLATED, NICKEL ALLOY, UNS N07718, 185 KSI MIN, .5625-18 UNJF-3ATABLE 1 - PART NUMBERS AND DIMENSIONS PART NO. L NMINMMAXAPPROX.MASSLB/100 PART NO. L NMINMMAXAP
8、PROX.MASSLB/100 AS3256-04 .865 - .885 .030 .133 11.03 AS3256-31 3.115 - 3.135 1.579 1.750 25.60 AS3256-05 .928 - .948 .030 .133 11.44 AS3256-32 3.240 - 3.260 1.704 1.875 26.41 AS3256-06 .990 - 1.010 .030 .133 11.84 AS3256-33 3.365 - 3.385 1.829 2.000 27.22 AS3256-07 1.052 - 1.072 .030 .133 12.25 AS3
9、256-34 3.490 - 3.510 1.954 2.125 28.03 AS3256-08 1.115 - 1.135 .030 .133 12.65 AS3256-35 3.615 - 3.635 2.079 2.250 28.84 AS3256-09 1.178 - 1.198 .030 .133 13.06 AS3256-36 3.740 - 3.760 2.204 2.375 29.64 AS3256-10 1.240 - 1.260 .030 .133 13.46 AS3256-37 3.865 - 3.885 2.329 2.500 30.46 AS3256-11 1.302
10、 - 1.322 .030 .133 13.87 AS3256-38 3.990 - 4.010 2.454 2.625 31.27 AS3256-12 1.365 - 1.385 .030 .133 14.27 AS3256-39 4.115 - 4.135 2.579 2.750 32.07 AS3256-13 1.428 - 1.448 .030 .133 14.68 AS3256-40 4.240 - 4.260 2.704 2.875 32.88 AS3256-14 1.490 - 1.510 .030 .133 15.08 AS3256-41 4.365 - 4.385 2.829
11、 3.000 33.69 AS3256-15 1.552 - 1.572 .030 .188 15.49 AS3256-42 4.490 - 4.510 2.954 3.125 34.50 AS3256-16 1.615 - 1.635 .079 .250 15.89 AS3256-43 4.615 - 4.635 3.079 3.250 35.31 AS3256-17 1.678 - 1.698 .142 .312 16.30 AS3256-44 4.740 - 4.760 3.204 3.375 36.12 AS3256-18 1.740 - 1.760 .204 .375 16.70 A
12、S3256-45 4.865 - 4.885 3.329 3.500 36.93 AS3256-19 1.802 - 1.822 .266 .438 17.11 AS3256-46 4.990 - 5.010 3.454 3.625 37.74 AS3256-20 1.865 - 1.885 .329 .500 17.51 AS3256-47 5.115 - 5.135 3.579 3.750 38.55 AS3256-21 1.928 - 1.948 .392 .562 17.92 AS3256-48 5.240 - 5.260 3.704 3.875 39.36 AS3256-22 1.9
13、90 - 2.010 .454 .625 18.32 AS3256-49 5.365 - 5.385 3.829 4.000 40.17 AS3256-23 2.115 - 2.135 .579 .750 19.13 AS3256-50 5.490 - 5.510 3.954 4.125 40.98 AS3256-24 2.240 - 2.260 .704 .875 19.94 AS3256-51 5.615 - 5.635 4.079 4.250 41.79 AS3256-25 2.365 - 2.385 .829 1.000 20.75 AS3256-52 5.740 - 5.760 4.
14、204 4.375 42.60 AS3256-26 2.490 - 2.510 .954 1.125 21.56 AS3256-53 5.865 - 5.885 4.329 4.500 43.41 AS3256-27 2.615 - 2.635 1.079 1.250 22.37 AS3256-54 5.990 - 6.010 4.454 4.625 44.22 AS3256-28 2.740 - 2.760 1.204 1.375 23.18 AS3256-29 2.865 - 2.885 1.329 1.500 23.99 AS3256-30 2.990 - 3.010 1.454 1.6
15、25 24.80 AEROSPACE STANDARD AS3256SHEET 3 OF 3REV. CBOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, SILVER PLATED, NICKEL ALLOY, UNS N07718, 185 KSI MIN, .5625-18 UNJF-3ANOTES: 1. FOR PART NUMBERS AS3256-04 THRU AS3256-24 THE THREAD PD (DATUM Z ) SHALL REPLACE DATUM Y . 2. MA
16、TERIAL: 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 SPECIFIED ARE AFTER PLATING. 5. FLUORESCENT PENETRANT INSPECTION BEFORE PLATING PER ASTM E1417/E1417M, T
17、YPE 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 .015 UNLESS OTHERWISE SPECIFIED. 8. DIMENSIONS IN INCHES. 9. DIMENSIONING AND TOLERANCING PER ANSI Y1
18、4.5M-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 EDITORIAL CHANGES, HAVE BEEN MADE TO THE PREVIOUS ISSUE OF THIS DOCUMENT. AN (R) SYMBOL TO THE LEF
19、T 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.
