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1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. SHEET 1 OF 3 MA2118 REV. B THIRD ANGLE PROJECTION AEROSPACE STANDARD MA2118 REV. B IS
3、SUED 1985-08 REVISED 1997-09 REAFFIRMED 2007-11 (R) NUT, BULKHEAD, FITTING, METRIC CUSTODIAN: SAE G-3/G-3BPROCUREMENT SPECIFICATION: NONE /5/ FEDERAL SUPPLY CLASS 4730 FIGURE 1 NUT TABLE 1 - DIMENSIONS AND WEIGHTS BASIC NO. MA2118 /16/ SIZE CODE (NOMINAL TUBE SIZE DN) /1/ T THREAD PER MA1370 (ISO 58
4、55-3) 4H5HAC D 0.25H Kg/100 MAX ALUM Kg/100 MAX CRES Kg/100 MAX TI 05 5MJ 10 X 1 7.510.4-10.913.3513.60-14.060.232 0.6650.367 06 6MJ 12 X 1.25 7.512.4-12.916.3516.6 -17.10.349 1.000.552 08 8MJ 14 X 1.5 8.514.4-14.918.3518.6 -19.10.466 1.340.738 1010MJ 16 X 1.5 8.516.4-16.921.3521.6 -22.10.629 1.800.
5、995 1212MJ 18 X 1.5 8.518.4-18.923.3523.6 -24.10.705 2.021.12 1414MJ 20 X 1.5 8.520.4-20.926.3526.6 -27.10.903 2.591.43 1616MJ 22 X 1.5 8.522.4-22.929.3529.6 -30.11.13 3.231.78 2020MJ 27 X 1.5 8.527.4-27.935.0535.3 -36.21.54 4.412.43 2525MJ 33 X 1.5 8.533.4-33.940.0540.3 -41.22.07 5.943.28 3232MJ 42
6、 X 210.042.4-42.949.0549.3 -50.22.65 7.594.19 4040MJ 50 X 210.050.4-50.958.9559.2 -60.33.8511.06.09 Copyright 2007 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, electronic, mechanical, p
7、hotocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org Copyright SAE International Provi
8、ded by IHS under license with SAELicensee=Defense Supply Ctr/5913977001 Not for Resale, 12/04/2007 20:25:35 MSTNo reproduction or networking permitted without license from IHS -,-,- NUT, BULKHEAD, FITTING, METRIC AEROSPACE STANDARD MA2118 SHEET 2 OF 3 MA2118 REV. B REV. B (R) NOTES: /1/DN = NOMINAL
9、TUBE OUTSIDE DIAMETER. /2/MATERIAL: a.CODE LETTER D - TYPE 2024-T6 OR T851 ALUMINUM ALLOY BAR PER AMS 4112 OR QQ-A-225/6. b.CODE LETTER J - TYPE 304 CORROSION RESISTANT STEEL BAR PER AMS 5639 OR QQ-S-763. c.CODE LETTER K - TYPE 316 CORROSION RESISTANT STEEL BAR PER AMS 5648 OR QQ-S-763. d.CODE LETTE
10、R T - TYPE 6AL-4V TITANIUM ALLOY BAR PER AMS 4928. e.CODE LETTER W - TYPE 7075-T73 OR T7351 ALUMINUM ALLOY BAR PER AMS 4124 OR QQ-A-225/9. 3.HEAT TREATMENT: NONE. 4.FINISH a.MATERIAL CODE LETTER D - ANODIZE PER MIL-A-8625, TYPE II, CLASS 2, DYED GREEN SIMILAR TO COLOR NO. 14187 OF FED-STD-595 AND DU
11、PLEX SEALED. b.MATERIAL CODE LETTERS J AND K - PASSIVATE PER QQ-P-35, TYPE VI OR VII. c.MATERIAL CODE LETTER T - ANODIZE PER AMS 2488 OR FLUORIDE PHOSPHATE CONVERSION COAT PER AMS 2486. d.MATERIAL CODE LETTER W - ANODIZE PER MIL-A-8625, TYPE II, CLASS 2, DYED BROWN SIMILAR TO COLOR NO. 10080 OF FED-
12、STD-595 AND DUPLEX SEALED. /5/THIS NUT IS INTENDED FOR USE WITH BULKHEAD FITTING ENDS ON FITTINGS PER MA2005 (ISO 7169). /6/IDENTIFICATION AT LOCATION SHOWN: MARK PER AS478 CLASS C OR METHOD 7A3, 15A3, OR 15B. a.FOR SIZES DN10 AND SMALLER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK AND MATERIAL CODE
13、 LETTER. b.FOR SIZES DN12 AND LARGER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, BASIC PART NUMBER AND MATERIAL CODE LETTER. 7.THIS PART IS DESIGNED FOR USE IN SYSTEMS AT TYPE II TEMPERATURE (-55 TO 135 C). /8/HEX CORNERS MAY BE ROUNDED PER ARP1942. 9.THE CHANGE BAR ( l ) LOCATED IN THE LEFT MARGIN
14、 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. 10.INVENTORIED PARTS CONFORMING TO THE PREVIOU
15、S “LETTER CHANGE“ MAY BE USED TO DEPLETION. 11.INTERPRETATION OF DRAWING PER MAP4296. 12.SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M; REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 3.2 m Ra. HEX FLATS MAY BE 12.5 m Ra. 13.BREAK EDGES 0.1 TO 0.4 UNLESS OTHERWISE SPECIF
16、IED. 14.DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. Copyright SAE International Provided by IHS under license with SAELicensee=Defense Supply Ctr/5913977001 Not for Resale, 12/04/2007 20:25:35 MSTNo reproduction or networking permitted without license from IHS -,-,- NUT, BULKHEAD, FITTING, METRI
17、C AEROSPACE STANDARD MA2118 SHEET 3 OF 3 MA2118 REV. B REV. B (R) 15.DIMENSIONS IN MILLIMETERS. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS 0.1, ANGULAR DIMENSIONS 030. /16/ Copyright SAE International Provided by IHS under license with SAELicensee=Defense Supply Ctr/5913977001 Not for Resale, 12/04/2007 20:25:35 MSTNo reproduction or networking permitted without license from IHS -,-,-