1、 AEROSPACE STANDARD NUT, FITTING, BULKHEAD AS5178Copyright 2017 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, photocopying, recording, or otherwise, without the p
2、rior 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 WEB ADDRESS: http:/www.sae.org ISSUED1999-01REAFFIRMED2015-04 REVISED2017-06THIRD ANGLE PROJECTION CUSTODIAN: G-
3、3/G-3B REV.BFEDERAL SUPPLY CLASS 4730 AS5178 SHEET 1 OF 3 REV. B PROCUREMENT SPECIFICATION: AS4841 /4/ SAETechnicalStandardsBoard Rulesprovidethat:“Thisreportispublished bySAEto advance the state oftechnicaland engineering sciences.The use ofthisreportisentirelyvoluntary,anditsapplicabilityandsuitab
4、ilityforanyparticularuse,includinganypatentinfringementarising therefrom,isthe sole responsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhich timeitmaybe revised,reaffirmed,stabilized,orcancelled.SAEinvitesyourwritten commentsandsuggestions.SAE values your input. To provide
5、feedback on this Technical Report, please visit http:/standards.sae.org/AS5178B RATIONALE ADDED CONDUCTIVE HIGH PURITY ALUMINUM COATING FOR ALUMINUM ALLOY FITTINGS. FIGURE 1 - FITTING, NUT TABLE 1 - DIMENSIONS AND WEIGHTS BASIC NO. AS5178 /14/ SIZE CODE (NOMINAL TUBE SIZE) T THREAD PER AS8879 CLASS
6、3B A B .010 C H W LB/100 APPROX REF AL LB/100 APPROX REF STEEL LB/100 APPROX REF TI 02 .125 .3125-24 UNJF .219 .542 .312 .552- .565 .005 .459 1.27 .726 03 .188 .3750-24 UNJF .219 .605 .375 .615- .628 .005 .530 1.47 .839 04 .250 .4375-20 UNJF .250 .668 .438 .678- .691 .005 .699 1.94 1.11 05 .312 .500
7、0-20 UNJF .250 .730 .500 .740- .753 .005 .785 2.18 1.24 06 .375 .5625-18 UNJF .266 .793 .562 .803- .816 .005 .936 2.60 1.49 08 .500 .7500-16 UNJF .312 .980 .750 .990-1.003 .005 1.46 4.05 2.31 10 .625 .8750-14 UNJF .359 1.103 .875 1.113-1.128 .005 1.99 5.51 3.15 12 .750 1.0625-12 UNJ .406 1.352 1.062
8、 1.362-1.380 .008 3.39 9.36 5.36 16 1.000 1.3125-12 UNJ .406 1.603 1.312 1.613-1.630 .008 4.21 11.7 6.68 20 1.250 1.6250-12 UNJ .406 1.916 1.625 1.926-1.943 .008 5.31 14.8 8.42 24 1.500 1.8750-12 UNJ .406 2.162 1.875 2.172-2.198 .008 6.23 17.3 9.90 28 1.750 2.2500-12 UNJ .406 2.536 2.250 2.546-2.572
9、 .008 7.69 21.3 12.2 32 2.000 2.5000-12 UNJ .406 2.787 2.500 2.797-2.823 .008 8.70 24.1 13.8 40 2.500 3.0000-12 UNJ .406 3.286 3.000 3.296-3.322 .008 10.8 30.1 17.2 48 3.000 3.5000-12 UNJ .406 3.786 3.500 3.796-3.822 .008 13.1 36.5 20.9 AEROSPACE STANDARD AS5178 SHEET 2 OF 3 REV. B NUT, FITTING, BUL
10、KHEAD NOTES NOTICE THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMUMS USE. /1/ MATERIAL: a. DASH AS CODE LETTER - TYPE 4130 CARBON STEEL BAR PER AMS6370 OR TYPE 4140 PER AMS6382 /2/. b. CODE LETTER D - TYPE 2
11、024-T6 ALUMINUM ALLOY BAR PER AMS-QQ-A-225/6 OR AMS4339 OR TYPE 2024-T851 ALUMINUM ALLOY BAR PER AMS-QQ-A-225/6 /2/. c. CODE LETTER J - TYPE 304 CORROSION RESISTANT STEEL BAR PER AMS-QQ-S-763 OR AMS5639. d. CODE LETTER K - TYPE 316 CORROSION RESISTANT STEEL BAR PER AMS-QQ-S-763 OR AMS5648. e. CODE L
12、ETTER R - TYPE 321 CORROSION RESISTANT STEEL BAR PER AMS-QQ-S-763 OR AMS5645. f. CODE LETTER T - TYPE 6AL-4V TITANIUM ALLOY BAR PER AMS4928. g. CODE LETTER W - TYPE 7075-T73 ALUMINUM ALLOY BAR PER AMS-QQ- A-225/9 OR TYPE 7075-T7351 ALUMINUM ALLOY BAR PER AMS4124 /2/. /2/ HEAT TREATMENT: a. DASH AS C
13、ODE 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 AMS-QQ-P-416, TYPE
14、 II, CLASS 2, DYE BLACK AND COAT WITH A LIGHT FILM OF OIL PER PROCUREMENT SPECIFICATION. b. MATERIAL CODE LETTER D - ANODIZE PER AMS2472 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 AMS2700 TYPE 6 OR 7. d.
15、MATERIAL CODE LETTER T - ANODIZE PER AMS2488 TYPE 2 OR FLUORIDE PHOSPHATE CONVERSION COAT PER AMS2486 WITH COLOR PER PROCUREMENT SPECIFICATION. e. MATERIAL CODE LETTER W (1) W CODE PARTS TO BE ANODIZED ONLY WILL HAVE NO FINISH CODE LETTER AFTER THE SIZE CODE IN THE PART NUMBER. THE FINISH WILL BE AN
16、ODIZE PER AMS2472 OR PER MIL-A-8625, TYPE II, CLASS 2 DYED BROWN, SIMILAR TO COLOR 10080 OF AMS-STD-595. (2) W CODE PARTS TO BE COATED WITH HIGH PURITY ALUMINUM ONLY WILL HAVE THE FINISH CODE LETTER “V” AFTER THE SIZE CODE IN THE PART NUMBER. SEE PROCUREMENT SPECIFICATION AS4841 FOR REQUIREMENTS. /4
17、/ PROCUREMENT SPECIFICATION: AS4841 EXCEPT AS SPECIFIED ON THIS STANDARD. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE MANUFACTURED BY AN ACCREDITED MANUFACTURER AS LISTED IN THE NADCAP QUALIFIED MANUFACTURERS LIST (QML) FOR THIS PRODUCT TYPE. THE QML IS AVAILABLE AT www.eAuditN. /5/ IDENTIFICATI
18、ON 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.
19、6. INTENDED USE: THIS STANDARD IS THE FUNCTIONAL EQUIVALENT OF AN924 AND IS INTENDED TO BE SUITABLE AS A REPLACEMENT STANDARD. AEROSPACE STANDARD AS5178 SHEET 3 OF 3 REV. B NUT, FITTING, BULKHEAD /7/ THE HEX CORNERS MAY BE ROUNDED PER ARP1942. /8/ FINISH CODE LETTER “V” SHALL BE PLACED AFTER SIZE CO
20、DES ONLY FOR MATERIAL CODE “W” PARTS THAT ARE TO BE COATED WITH HIGH PURITY ALUMINUM TO PROVIDE LOW ELECTRICAL CONTACT RESISTANCE. NO OTHER LETTERS ARE TO FOLLOW THE SIZE CODES. 9. INTERPRETATION OF DRAWING PER AS4296. 10. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLES
21、S OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 MICROINCHES Ra. SURFACES OF HEX FLATS MAY BE 250 MICROINCHES Ra. 11. BREAK EDGES .003 TO .015, UNLESS OTHERWISE SPECIFIED. 12. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. 13. DIMENSIONS ARE IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINE
22、AR DIMENSIONS .016, ANGULAR DIMENSIONS 0 30. /14/ EXAMPLE PART NUMBER AS5178 W 08 VBASIC PART NUMBER FINISH CODE LETTER /3/ /8/MATERIAL CODE LETTER /1/ SIZE CODE, TUBE SIZEIN .062 INCREMENTS15. REVISION INDICATOR: A CHANGE BAR (I) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCA
23、TING 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, INCLUDING TECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT USED IN ORIGINAL PUBLICATIONS, NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY.
