1、 AEROSPACE STANDARD FITTING, ADAPTER, UNION, FLARELESS TO BOSS AS931Copyright 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 other
2、wise, 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 WEB ADDRESS: http:/www.sae.org ISSUED1984-10REAFFIRMED 2013-01REVISED 2017-11THIRD ANGLE PROJ
3、ECTION CUSTODIAN: G-3/G-3B REV.C FEDERAL SUPPLY CLASS 4730 AS931 SHEET 1 OF 4 REV. C PROCUREMENT SPECIFICATION: AS18280 /4/ SAE Technical Standards Board Rules provide that: “This report is published by SAEtoadvance thestate of technicaland engineering sciences. The useof this report is entirely vol
4、untary, and its applicability andsuitability for any particularuse, includingany patent infringement arisingtherefrom,is the sole responsibility of theuser.”SAE reviews eachtechnical reportatleast every fiveyears at whichtime it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your
5、written comments and suggestions.SAE values your input. To provide feedback on this Technical Report, please visit http:/standards.sae.org/AS931C RATIONALE ADDED CONDUCTIVE HIGH PURITY ALUMINUM COATING FOR ALUMINUM ALLOY FITTINGS. FIGURE 1 - FITTING, ADAPTER, UNION TABLE 1 TABLE 1A - DIMENSIONS BASI
6、C NO. AS931 /16/ SIZE CODE (NOMINAL TUBE SIZE) T THREAD PER AS8879 C D .003 E .010 02 .125 .3125-24 UNJF .638 .093 .542 03 .188 .3750-24 UNJF .709 .125 .605 04 .250 .4375-20 UNJF .780 .187 .668 05 .312 .5000-20 UNJF .851 .234 .730 06 .375 .5625-18 UNJF .922 .297 .792 08 .500 .7500-16 UNJF 1.120 .422
7、 .980 10 .625 .8750-14 UNJF 1.260 .500 1.103 12 .750 1.0625-12 UNJ 1.540 .656 1.353 16 1.000 1.3125-12 UNJ 1.788 .875 1.603 20 1.250 1.6250-12 UNJ 2.063 1.093 1.853 24 1.500 1.8750-12 UNJ 2.338 1.344 2.099 32 2.000 2.500-12 UNJ 3.025 1.813 2.724 AEROSPACE STANDARD AS931 SHEET 2 OF 4 REV. C FITTING,
8、ADAPTER, UNION, FLARELESS TO BOSS TABLE 1B - DIMENSIONS AND WEIGHTS BASIC NO. AS931 /16/ SIZE CODE H L Z LB/EA APPROX REF AL LB/EA APPROX REF STEEL LB/EA APPROX REF TI 02 .552- .565 .955 .220 .0111 .0318 .0175 03 .615- .628 1.002 .220 .0148 .0426 .0235 04 .678- .691 1.088 .235 .0193 .0553 .0305 05 .
9、740- .753 1.088 .235 .0232 .0666 .0367 06 .802- .815 1.119 .250 .0272 .0781 .0431 08 .990-1.003 1.252 .250 .0482 .138 .0764 10 1.113-1.128 1.377 .312 .0704 .202 .111 12 1.363-1.380 1.543 .375 .113 .325 .179 16 1.613-1.630 1.543 .375 .153 .439 .242 20 1.863-1.880 1.543 .375 .214 .614 .339 24 2.109-2.
10、135 1.543 .375 .255 .733 .404 32 2.734-2.760 1.605 .437 .464 1.33 .735 NOTES: /1/ MATERIAL: a. DASH AS CODE LETTER - TYPE 4130 CARBON STEEL BAR PER AMS-S-6758 OR AMS6370. TYPES 1137 AND 1141 CARBON STEEL ARE SUPERSEDED BY TYPE 4130. /2/ b. CODE LETTER D TYPE 2024-T6 ALUMINUM ALLOY BAR PER AMS-QQ-A-2
11、25/6, OR TYPE 2024-T851 ALUMINUM ALLOY BAR PER AMS-QQ-A-225/6 OR AMS4339. 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 LETTER R - TYPE 321 CORROSION RESISTANT STEE
12、L BAR PER AMS-QQ-S-763 OR AMS5645. /7/ f. CODE LETTER S - TYPE 347 CORROSION RESISTANT STEEL BAR IS INACTIVE FOR DESIGN AND SUPERSEDED BY TYPE 321 CORROSION RESISTANT STEEL (CODE LETTER R). /7/ g. CODE LETTER T - TYPE 6AL-4V TITANIUM ALLOY BAR PER AMS4928. h. CODE LETTER W - TYPE 7075-T73 ALUMINUM A
13、LLOY BAR PER AMS-QQ-A-225/9 OR TYPE 7075-T7351 ALUMINUM ALLOY BAR PER AMS 4124. /2/ /2/ HEAT TREATMENT: a. DASH AS CODE LETTER - SEE HARDNESS REQUIREMENT PER PROCUREMENT SPECIFICATION. b. CODE LETTERS D AND W - SEE ELECTRICAL CONDUCTIVITY AND HARDNESS REQUIREMENT PER PROCUREMENT SPECIFICATION. c. OT
14、HER CODE LETTERS - NONE. AEROSPACE STANDARD AS931 SHEET 3 OF 4 REV. C FITTING, ADAPTER, UNION, FLARELESS TO BOSS /3/ FINISH: a. DASH AS CODE LETTER - CADMIUM PLATE PER AMS-QQ-P-416, TYPE II, CLASS 2 AND COAT WITH A LIGHT FILM OF OIL PER PROCUREMENT SPECIFICATION. b. CODE LETTER D - ANODIZE PER MIL-A
15、-8625, TYPE II, CLASS 2, DYED GREEN PER PROCUREMENT SPECIFICATION. c. CODE LETTERS J, K, AND R - PASSIVATE PER AMS2700, TYPE 6 OR 7. d. CODE LETTER T - ANODIZE PER AMS2488 OR FLUORIDE PHOSPHATE CONVERSION COAT PER AMS2486 WITH COLOR PER PROCUREMENT SPECIFICATION. e. CODE LETTER W: 1. W CODE PARTS TO
16、 BE ANODIZED ONLY WILL HAVE NO FINISH CODE LETTER AFTER THE SIZE CODE IN THE PART NUMBER. THE FINISH WILL BE ANODIZE 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
17、 LETTER “V” AFTER THE SIZE CODE IN THE PART NUMBER. SEE PROCUREMENT SPECIFICATION FOR REQUIREMENTS. /4/ PROCUREMENT SPECIFICATION: AS18280 EXCEPT AS SPECIFIED ON THIS STANDARD. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE MANUFACTURED BY AN ACCREDITED MANUFACURER AS LISTED IN THE PERFORMANCE REVI
18、EW INSTITUTE (PRI) QUALIFIED PRODUCTS LIST (QPL) PRI-QPL-AS18280 FOR THIS STANDARD. SEE http:/www.eAuditN FOR CURRENT QPL ONLINE. 5. INTENDED USE: THIS PART IS DESIGNED FOR USE IN TUBING CONNECTION SYSTEMS WITH MAXIMUM OPERATING PRESSURES AS FOLLOWS: a. SIZES 02 THROUGH 10 AT 3000 psi. b. SIZES 12 T
19、HROUGH 20 IN ALUMINUM ALLOY AND SIZES 12 THROUGH 32 IN OTHER MATERIALS AT 1500 psi. c. SIZE 24 IN ALUMINUM ALLOY AT 1000 psi. d. SIZE 32 IN ALUMINUM ALLOY AT 600 psi. /6/ IDENTIFICATION AT LOCATION SHOWN: MARK PER AS478 CLASS C, D OR METHOD 7A3, 15A3, OR 15B. MARK MANUFACTURERS NAME, TRADEMARK OR CA
20、GE NUMBER, LETTERS “AS“ FOR SIZES 06 AND SMALLER AND “AS931“ FOR SIZES 08 AND LARGER AND MATERIAL CODE LETTER. /7/ INVENTORIED PARTS CONFORMING TO THE PREVIOUS “LETTER CHANGE“ MAY BE USED TO DEPLETION. PARTS FORMERLY CODED “S“ MAY BE SUPPLIED IN PLACE OF PARTS CODED “R“ UNTIL STOCK IS DEPLETED. /8/
21、SUFFIX LETTER L: CODE L PARTS SHALL HAVE SAFETY WIRE HOLES PER AS1043 STYLE B. /9/ FINISH CODE LETTER “V” SHALL BE PLACED AFTER SIZE CODE ONLY FOR MATERIAL CODE “W” PARTS THAT ARE TO BE COATED WITH HIGH PURITY ALUMINUM TO PROVIDE LOW ELECTRICAL CONTACT RESISTANCE. FINISH CODE LETTER “V” COMBINED WIT
22、H SAFETY WIRE CODE LETTER “L” SHALL BE SPECIFIED AS “VL”. NO OTHER LETTERS ARE TO FOLLOW THE SIZE CODE. 10. REVISION INDICATOR: 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 PRE
23、VIOUS 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. 11. INTERPRETATION OF DRAWING P
24、ER AS4296. 12. SURFACE TEXTURE: SYMBOLS PER to ASME Y14.36M; REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 MICROINCHES Ra. SURFACES OF HEX FLATS MAY BE 250 MICROINCHES Ra. AEROSPACE STANDARD AS931 SHEET 4 OF 4 REV. C FITTING, ADAPTER, UNION, FLARELESS TO BOSS 1
25、3. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 14. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994 15. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .015, ANGULAR DIMENSIONS 5. /16/ EXAMPLE OF PART NUMBER: SPECIFICATION NOTES NOTICE THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUMS USE.
