1、 AEROSPACE STANDARD FITTING ASSEMBLY, ELBOW, 90, FLARELESS ANDSHORT FLARELESS, REDUCER, RETAINED NUT AS4687Copyright 2009 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, mechan
2、ical, photocopying, 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 ISSUED 1992-07REAFFIRMED 2
3、007-08 REVISED 2009-02THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3B REV.D FEDERAL SUPPLY CLASS 4730 AS4687 SHEET 1 OF 6 REV. D PROCUREMENT SPECIFICATION: /4/ AS18280SAE TechnicalStandards Board Rules provide that: “This report is published by SAE toadvance thestate of technical andengineering sciences.
4、 Theuse of thisreport is entirely voluntary, andits applicabilityandsuitability forany particularuse, including any patent infringement arising therefrom, is thesole responsibility oftheuser.”SAE reviews each technical report at least every five yearsat which time it may be reaffirmed, revised, orca
5、ncelled. SAE invites yourwritten commentsandsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4687D RATIONALE PROCUREMENT SPECIFICATION CHANGED FROM AS4444 TO AS18280 AND PROCUREMENT NOTE UPDATED. WARNING NOTICE FOR
6、CADMIUM PLATING HAS BEEN INSERTED. UPDATES: MIL-S-8879 CLASS B TO AS8879 CLASS 3B. MATERIAL AND FINISH: FINISH SPECIFICATIONS UPDATED. FIGURE 1 - ELBOW ASSEMBLY, 90 FIGURE 2 - INSTALLATION, RETAINED NUT AND RETAINING WIRE Copyright SAE International Provided by IHS under license with SAENot for Resa
7、leNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD AS4687SHEET 2 OF 6REV. DFITTING ASSEMBLY, ELBOW, 90, FLARELESS AND SHORT FLARELESS, REDUCER, RETAINED NUT TABLE 1 - DIMENSIONS AND WEIGHTS BASIC NO. AS4687/10/ /18/ SIZE CODE D H J+.005/-.020 LB/EAAPPROX REF AL
8、UMLB/EAAPPROX REF CRESLB/EAAPPROX REF TI20 .517 .124 1.375 .332 .964 .560 24 .614 .156 1.688 .502 1.430 .828 TABLE 2 - WIRE INSERTION DEPTH PORT SIZE(NOMINAL TUBE SIZE) C 04 .250 .076 05 .312 .076 06 .375 .084 08 .500 .095 10 .625 .114 12 .750 .150 16 1.000 .176 20 1.250 .247 24 1.500 .287 TABLE 3 -
9、 LEG LENGTH A SIZE OF PORT #2 FORGING SIZE /10/ 20FORGING SIZE /10/ 2404 1.424 1.549 05 1.424 1.54906 1.440 1.56508 1.533 1.65810 1.596 1.72112 1.659 1.784 16 1.659 1.78420 1.678 1.577 24 - 1.803TABLE 4 - LEG LENGTH B SIZE OF PORT #1 FORGING SIZE /10/ 20FORGING SIZE /10/ 2404 1.401 1.526 05 1.453 1.
10、57806 1.514 1.63908 1.611 1.73610 1.690 1.81512 1.679 1.804 16 1.727 1.85220 1.603 1.728 24 - 1.756Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD AS4687 SHEET 3 OF 6 REV. D FITTIN
11、G ASSEMBLY, ELBOW, 90, FLARELESS AND SHORT FLARELESS, REDUCER, RETAINED NUT TABLE 5 - TUBE SIZE AND CORRESPONDING THREADS PORT SIZE (NOMINAL TUBE SIZE) T THREAD PER AS8879 CLASS 3B 04 .250 .4375-20UNJF 05 .312 .5000-20UNJF 06 .375 .5625-18UNJF 08 .500 .7500-16UNJF 10 .625 .8750-14UNJF 12 .750 1.0625
12、-12UNJ 16 1.000 1.3125-12UNJ 20 1.250 1.5625-12UNJ24 1.500 1.8125-12UNJ NOTES: NOTICE THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU HAVE QUESTIONS CONCERNING CADMIUMS USE. /1/ MATERIAL: a. CODE LETTER T: (1) BODY: TYPE 6AL-4V TITANIUM AL
13、LOY PER AMS4928 (2) NUT: CODE LETTER T OF AS4702 OR AS1790 REFERENCE (TYPE 6AL-4V TITANIUM ALLOY) (3) WIRE: PER AS4701 OR AS1791 REFERENCE (CLASS 302 OR 305 CORROSION RESISTANT STEEL) b. CODE LETTER V: (1) BODY: TYPE 15-5PH CORROSION RESISTANT STEEL PER AMS5659 (2) NUT: CODE LETTER V OF AS4702 OR AS
14、1790 REFERENCE (TYPE 15-5PH CORROSION RESISTANT STEEL) (3) WIRE: PER AS4701 OR AS1791 REFERENCE (CLASS 302 OR 305 CORROSION RESISTANT STEEL) c. CODE LETTER W: (1) BODY: TYPE 7075-T73 ALUMINUM ALLOY FORGING PER AMS4141 OR TYPE 7075-T7351 ALUMINUM ALLOY BAR PER AMS4124 (2) NUT: CODE LETTER W OF AS4702
15、 OR AS1790 REFERENCE (TYPE 7075-T73 ALUMINUM ALLOY) (3) WIRE: PER AS4701 OR AS1791 REFERENCE (CLASS 302 OR 305 CORROSION RESISTANT STEEL) Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STA
16、NDARD AS4687 SHEET 4 OF 6 REV. D FITTING ASSEMBLY, ELBOW, 90, FLARELESS AND SHORT FLARELESS, REDUCER, RETAINED NUT 2. HEAT TREAT a. MATERIAL CODE LETTER T: (1) BODY, NUT, AND WIRE: NONE b. MATERIAL CODE LETTER V: (1) BODY: HEAT TREAT TO CONDITION H-1075 PER AMS2759/3 (2) NUT: MATERIAL CODE LETTER V
17、OF AS4702 OR AS1790 REFERENCE (HEAT TREAT TO CONDITION H-1075) (3) WIRE: NONE c. MATERIAL CODE LETTER W: (1) BODY, NUT, AND WIRE: NONE /3/ FINISH: a. MATERIAL CODE LETTER T: (1) BODY: FLUORIDE PHOSPHATE CONVERSION COAT PER AMS2486 (2) NUT: CODE LETTER T OF AS4702 OR AS1790 WITH SUFFIX N REFERENCE (F
18、LUORIDE PHOSPHATE CONVERSION COAT AND COAT WITH SOLID FILM LUBRICANT ON ID) (3) WIRE: PER AS4701 OR AS1791 REFERENCE (PASSIVATE AND COAT WITH SOLID FILM LUBRICANT) b. MATERIAL CODE LETTER V: (1) BODY: (a) V CODE PARTS TO BE PASSIVATED ONLY WILL HAVE NO FINISH CODE LETTER AFTER THE PART NUMBER. THE F
19、INISH WILL BE: PASSIVATE PER AMS2700 PER PROCUREMENT SPECIFICATION. (b) V CODE PARTS TO BE CADMIUM PLATED ONLY WILL HAVE THE FINISH CODE LETTER “P” AFTER THE SIZE CODE IN THE PART NUMBER. THE FINISH WILL BE: CADMIUM PLATE PER AMS-QQ-P-416, TYPE II, CLASS 2 (2) NUT: CODE LETTER V OF AS4702 OR AS1790
20、REFERENCE (a) NO FINISH CODE LETTER AT END OF PART NUMBER: PASSIVATE AND COAT WITH SOLID FILM LUBRICANT ON ID (b) FINISH CODE LETTER P AT END OF PART NUMBER: CADMIUM PLATE (3) WIRE: PER AS4701 OR AS1791 REFERENCE (PASSIVATE AND COAT WITH SOLID FILM LUBRICANT) c. MATERIAL CODE LETTER W: (1) BODY: ANO
21、DIZE PER AMS2472 OR MIL-A-8625, TYPE II, CLASS 2 DYED BROWN, SIMILAR TO COLOR 10080 OF FED-STD-595 (2) NUT: CODE LETTER W OF AS4702 OR AS1790 WITH SUFFIX N REFERENCE (ANODIZE DYED BROWN AND COAT WITH SOLID FILM LUBRICANT) (3) WIRE: PER AS4701 OR AS1791 REFERENCE (PASSIVATE AND COAT WITH SOLID FILM L
22、UBRICANT) Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD AS4687 SHEET 5 OF 6 REV. D FITTING ASSEMBLY, ELBOW, 90, FLARELESS AND SHORT FLARELESS, REDUCER, RETAINED NUT /4/ PROCUREME
23、NT SPECIFICATION: AS18280 EXCEPT AS SPECIFIED ON THIS STANDARD. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE MANUFACTURED BY AN ACCREDITED MANUFACTURER AS LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED PRODUCTS LIST PRI-QPL-AS18280 FOR THIS STANDARD. SEE http:/ FOR CURRENT QPL ONLINE.
24、 NOTE: PRI-QPL LIMITATION - WITH REVISION D OF THIS STANDARD THE PROCUREMENT SPECIFICATION HAS BEEN CHANGED FROM AS4444 FOR 5000 psi TO AS18280 FOR 3000 psi. USERS OF THIS FITTING FOR 5000 psi APPLICATIONS PER AS4444 ARE ADVISED TO CONTROL SOURCE APPROVAL BY STANDARD PAGE SUPPLEMENT OR SIMILAR MEANS
25、. /5/ IDENTIFICATION AT LOCATION SHOWN: MARK PER AS478 CLASS C OR D OR METHOD 7A3, 15A3, OR 15B. MANUFACTURERS NAME, TRADEMARK OR CAGE CODE, BASIC PART NUMBER AND MATERIAL CODE LETTER. 6. THIS PART IS DESIGNED FOR USE IN SYSTEMS WITH OPERATING PRESSURES AS FOLLOWS: a. SIZES -20 AND -24 TITANIUM ALLO
26、Y AND CORROSION RESISTANT STEEL AT 3000 psi b. SIZES -20 AND -24 ALUMINUM ALLOY AT 600 psi LARGEST PORT DETERMINES PRESSURE RATING. 7. WHEN MACHINED FROM BAR OR OVERSIZED FORGINGS, THE CENTER BODY SECTION SHALL CONFORM TO AS1376, TABLE 10. /8/ RADIUS APPLICABLE FOR TITANIUM PARTS ONLY. /9/ RETAINED
27、NUT AND RETAINING WIRE: a. TUBE SIZES 1.250 AND 1.500: AS4702 RETAINED NUT AND AS4701 RETAINING WIRE b. TUBE SIZES 1.000 AND SMALLER: AS1790 RETAINED NUT AND AS1791 RETAINING WIRE ASSEMBLE RETAINED NUT TO FITTING BODY WITH RETAINING WIRE AS SHOWN IN FIGURE 2. THE NUT SHALL BE FREE TO ROTATE AFTER AS
28、SEMBLY. /10/ LARGEST PORT DETERMINES FORGING SIZE REGARDLESS OF THE LOCATION. MINIMUM FORGING SIZE IS -20. THIS STANDARD IS FOR REDUCERS ONLY; FOR ALL PORTS THE SAME SIZE USE AS4670. 11. A CHANGE BAR (l) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL
29、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 CONT
30、AIN EDITORIAL CHANGES ONLY. 12. INVENTORIED PARTS CONFORMING TO THE PREVIOUS “LETTER CHANGE” MAY BE USED TO DEPLETION /4/. 13. INTERPRETATION OF DRAWING PER ARP4296. 14. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M; REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 in
31、 Ra. 15. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 16. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994 17. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .010, ANGULAR DIMENSIONS 5 DEGREES. Copyright SAE International Provided by IHS under license with SAEN
32、ot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AEROSPACE STANDARD AS4687SHEET 6 OF 6REV. DFITTING ASSEMBLY, ELBOW, 90, FLARELESS AND SHORT FLARELESS, REDUCER, RETAINED NUT /18/Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
