1、Copyright 2003 SAE InternationalAll 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, photocopying, recording, orotherwise, without the prior written permission of SAE.TO PLACE A DOCUMENT
2、ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4970 (outside USA)Fax: 724-776-0790 Email: custsvcsae.org SAE WEB ADDRESS: http:/www.sae.orgSAE Technical Standards Board Rules providethat: “This report is published by SAE to advancethe state oftechnical and engineering sciences.Theuse
3、ofthis reportisentirelyvoluntary, andits applicabilityand suitabilityfor any particularuse,including any patentinfringement arising therefrom,isthe sole responsibility of the user.”SAE reviews each technical reportatleastevery five years atwhich timeitmay bereaffirmed,revised, or cancelled.SAE invit
4、es yourwritten comments and suggestions.SHEET 1 OF 3AS5178REV.ATHIRD ANGLE PROJECTIONAEROSPACE STANDARDAS5178REV.AISSUED 1999-01 REVISED 2003-08NUT, FITTING, BULKHEADCUSTODIAN: SAE G-3/G-3B PROCUREMENT SPECIFICATION: /4/ AS4841FEDERAL SUPPLY CLASS 4730FIGURE 1 - FITTING, NUTTABLE 1 - DIMENSIONS AND
5、WEIGHTSBASIC NO.AS5178/13/SIZE CODE(NOMINALTUBESIZE)T THREADPERAS8879CLASS 3B AB.010 C H WLB/100APPROXREFALLB/100APPROXREFSTEELLB/100APPROXREFTI02 .125 .3125-24 UNJF .219 .542 .312 .552- .565 .005 .459 1.27 .72603 .188 .3750-24 UNJF .219 .605 .375 .615- .628 .005 .530 1.47 .83904 .250 .4375-20 UNJF
6、.250 .668 .438 .678- .691 .005 .699 1.94 1.1105 .312 .5000-20 UNJF .250 .730 .500 .740- .753 .005 .785 2.18 1.2406 .375 .5625-18 UNJF .266 .793 .562 .803- .816 .005 .936 2.60 1.4908 .500 .7500-16 UNJF .312 .980 .750 .990-1.003 .005 1.46 4.05 2.3110 .625 .8750-14 UNJF .359 1.103 .875 1.113-1.128 .005
7、 1.99 5.51 3.1512 .750 1.0625-12 UNJ .406 1.352 1.062 1.362-1.380 .008 3.39 9.36 5.3616 1.000 1.3125-12 UNJ .406 1.603 1.312 1.613-1.630 .008 4.21 11.7 6.6820 1.250 1.6250-12 UNJ .406 1.916 1.625 1.926-1.943 .008 5.31 14.8 8.4224 1.500 1.8750-12 UNJ .406 2.162 1.875 2.172-2.198 .008 6.23 17.3 9.9028
8、 1.750 2.2500-12 UNJ .406 2.536 2.250 2.546-2.572 .008 7.69 21.3 12.232 2.000 2.5000-12 UNJ .406 2.787 2.500 2.797-2.823 .008 8.70 24.1 13.840 2.500 3.0000-12 UNJ .406 3.286 3.000 3.296-3.322 .008 10.8 30.1 17.248 3.000 3.5000-12 UNJ .406 3.786 3.500 3.796-3.822 .008 13.1 36.5 20.9Copyright SAE Inte
9、rnational Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-NUT, FITTING, BULKHEADAEROSPACE STANDARDAS5178SHEET 2 OF 3AS5178REV.AREV. ANOTES:/1/ MATERIAL:a. DASH AS CODE LETTER - TYPE 4130 CARBON STEEL BAR PER AMS 6370 OR TYPE 4140
10、 PER AMS 6382. /2/b. CODE LETTER D - TYPE 2024-T6 ALUMINUM ALLOY BAR PER QQ-A-225/6 OR AMS 4112 OR TYPE 2024-T851 ALUMINUM ALLOY BAR PER QQ-A-225/6. /2/c. CODE LETTER J - TYPE 304 CORROSION RESISTANT STEEL BAR PER QQ-S-763 OR AMS 5639.d. CODE LETTER K - TYPE 316 CORROSION RESISTANT STEEL BAR PER QQ-
11、S-763 OR AMS 5648.e. CODE LETTER R - TYPE 321 CORROSION RESISTANT STEEL BAR PER QQ-S-763 OR AMS 5645.f. CODE LETTER T - TYPE 6AL-4V TITANIUM ALLOY BAR PER AMS 4928.g. CODE LETTER W - TYPE 7075-T73 ALUMINUM ALLOY BAR PER QQ-S-225/9 OR TYPE 7075-T7351 ALUMINUM ALLOY BAR PER AMS 4124. /2/2/ HEAT TREATM
12、ENT:a. DASH AS CODE LETTER - SEE HARDNESS REQUIREMENT PER PROCUREMENT SPECIFICATION.b. MATERIAL CODE LETTERS D AND W - SEE ELECTRICAL CONDUCTIVITY AND HARDNESS REQUIREMENT PER PROCUREMENT SPECIFICATION.c. OTHER MATERIAL CODE LETTERS - NONE.3. FINISH:a. DASH AS CODE LETTER - CADMIUM PLATE PER QQ-P-41
13、6, TYPE II, CLASS 2, DYE BLACK AND COAT WITH A LIGHT FILM OF OIL PER PROCUREMENT SPECIFICATION.b. MATERIAL CODE LETTER D - ANODIZE PER AMS 2472 OR MIL-A-8625, TYPE II, CLASS 2, DYE BLUE, DUPLEX SEAL PER PROCUREMENT SPECIFICATION.c. MATERIAL CODE LETTERS J, K, AND R - PASSIVATE PER AMS-QQ-P-35, TYPE
14、VI OR VII.d. MATERIAL CODE LETTER T - ANODIZE PER AMS 2488 OR FLUORIDE PHOSPHATE CONVERSION COAT PER AMS 2486 WITH COLOR PER PROCUREMENT SPECIFICATION.e. MATERIAL CODE LETTER W - ANODIZE PER AMS 2472 OR MIL-A-8625, TYPE II, CLASS 2, DYE BROWN, DUPLEX SEAL PER PROCUREMENT SPECIFICATION./4/ PROCUREMEN
15、T SPECIFICATION: AS4841 EXCEPT AS SPECIFIED ON THIS STANDARD. USERS OF THIS STANDARD SHALL PROCURE THIS PRODUCT FROM ACCREDITED MANUFACTURER(S) OR ACCREDITED DISTRIBUTOR(S) AS LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED MANUFACTURERS LIST (QML) FOR THIS TYPE PRODUCT./5/ IDENTIFICATION
16、 AT LOCATION SHOWN: MARK PER AS478 CLASS C OR D OR METHOD 7A3, 15A3, OR 15B.a. FOR SIZES 06 AND SMALLER: MARK TRADEMARK, CAGE CODE OR TRADEMARK, LETTER “AS” AND MATERIAL CODE LETTER.b. FOR SIZES 08 AND LARGER: MARK TRADEMARK, CAGE CODE OR TRADEMARK, BASIC PART NUMBER AND MATERIAL CODE LETTER.6. INTE
17、NDED USE: THIS STANDARD IS THE FUNCTIONAL EQUIVALENT OF AN924 AND IS INTENDED TO BE SUITABLE AS A REPLACEMENT STANDARD./7/ THE HEX CORNERS MAY BE ROUNDED PER ARP1942.8. INTERPRETATION OF DRAWING PER ARP4296.9. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M; REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE S
18、PECIFIED, MACHINED SURFACES TO BE 125 in Ra. SURFACES OF HEX FLATS MAY BE 250 in Ra.10. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED.11. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994.12. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .016, ANGULAR DIMENSIONS
19、030./13/Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-NUT, FITTING, BULKHEADAEROSPACE STANDARDAS5178SHEET 3 OF 3AS5178REV.AREV. A14. THE CHANGE BAR ( l ) LOCAED IN THE LEFT MARGIN IS FOR THE CONVENIE
20、NCE 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.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-
