1、 AEROSPACE STANDARD FITTING ASSEMBLY, TEE, FLARELESS AND SHORT FLARELESS, REDUCER, RETAINED NUT ON RUN AS4691Copyright 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, mech
2、anical, 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: +1 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED1992-07 REAFFIR
3、MED2007-11 REVISED2017-06THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3B REV.GFEDERAL SUPPLY CLASS 4730 AS4691 SHEET 1 OF 5 REV. G PROCUREMENT SPECIFICATION: AS18280 /4/ SAETechnicalStandardsBoard Rulesprovidethat:“Thisreportispublished bySAEto advance the state oftechnicaland engineering sciences.The us
4、e ofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarising therefrom,isthe sole responsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhich time itmaybe revised,reaffirmed,stabilized,orcancelled.SAEinvitesyourwr
5、itten commentsandsuggestions.SAE values your input. To provide feedback on this Technical Report, please visit http:/standards.sae.org/AS4691G RATIONALE ADDED CONDUCTIVE HIGH PURITY ALUMINUM COATING FOR ALUMINUM ALLOY FITTINGS. FIGURE 1 - TEE ASSEMBLY FIGURE 2 - INSTALLATION, RETAINED NUT, AND RETAI
6、NING WIRE AEROSPACE STANDARD AS4691 SHEET 2 OF 5 REV. G FITTING ASSEMBLY, TEE, FLARELESS AND SHORT FLARELESS, REDUCER, RETAINED NUT ON RUN TABLE 1 - DIMENSIONS AND WEIGHTS BASIC NO. AS4691 /10/ /19/ SIZE CODE D H J +.005/-.020 LB/EA APPROX REF ALUM LB/EA APPROX REF CRES LB/EA APPROX REF TI 20 .517 .
7、124 1.375 .395 1.146 .666 24 .614 .156 1.688 .570 1.651 .954 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 - LEG LENGTH A SIZE OF PORT #2 FOR ALL PORTS THE
8、 SAME SIZE USE AS4674. /11/ FINISH CODE LETTER “P” SHALL BE PLACED AFTER SIZE CODES ONLY FOR MATERIAL CODE “V” PARTS THAT ARE TO BE CADMIUM PLATED. FINISH CODE LETTER “V” SHALL BE PLACED AFTER SIZE CODES ONLY FOR MATERIAL CODE “W” PARTS THAT ARE TO BE COATED WITH HIGH PURITY ALUMINUM TO PROVIDE LOW
9、ELECTRICAL CONTACT RESISTANCE. NO OTHER LETTERS ARE TO FOLLOW THE SIZE CODES. 12. REVISION INDICATOR: A CHANGE BAR (I) 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 PREVIOUS ISSUE OF THIS DOCUME
10、NT. 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. 13. INVENTORIED PARTS CONFORMING TO THE PREVIOUS “LETTER
11、CHANGE” MAY BE USED TO DEPLETION /4/. 14. INTERPRETATION OF DRAWING PER AS4296. 15. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 MICROINCHES Ra. 16. BREAK SHARP EDGES .003 TO .015, UNLESS OTHERWISE SPECIFIED. 17. DIME
12、NSIONING AND TOLERANCING: ASME Y14.5M-1982 18. DIMENSIONS ARE IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .010, ANGULAR DIMENSIONS 5. /19/ EXAMPLE PART NUMBER AS4691 V 16 20 20 PBASIC PART NUMBER FINISH CODE LETTER /3/ /11/MATERIAL CODE LETTER /1/ SIZE CODE, TUBE SIZE OFPORT #3 IN .062 INCREMENTSSIZE CODE, TUBE SIZE OFPORT #1 IN .062 INCREMENTSSIZE CODE, TUBE SIZE OFPORT #2 IN .062 INCREMENTS
