1、 AEROSPACE STANDARD FITTING, UNION, REDUCER, SHORT FLARELESS AND FLARELESS TO BOSS AS4680Copyright 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
2、, 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 ISSUED1992-07REAFFIRMED 2004-07REVISED201
3、7-09THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3B REV.C FEDERAL SUPPLY CLASS 4730 AS4680 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 engineeringsciences. The useof this re
4、port is entirely voluntary, and its applicability andsuitability for any particularuse, includingany patent infringement arisingtherefrom,is thesole responsibility of theuser.” SAE reviews eachtechnical reportatleast every fiveyears at whichtime it may be revised, reaffirmed, stabilized, or cancelle
5、d. SAE invites your written comments and suggestions.SAE values your input. To provide feedback on this Technical Report, please visit http:/standards.sae.org/AS4680C RATIONALE ADDED CONDUCTIVE HIGH PURITY ALUMINUM COATING FOR ALUMINIM ALLOY FITTINGS. FIGURE 1 - FITTING, UNION, REDUCER TABLE 1 - DIM
6、ENSIONS PORT #1 SIZE /6/ /18/ A PORT #2 SIZE 04 A PORT #2 SIZE 06 A PORT #2 SIZE 08 A PORT #2 SIZE 10 A PORT #2 SIZE 12 A PORT #2 SIZE 16 A PORT #2 SIZE 20 A PORT #2 SIZE 24 20 1.291 1.307 1.400 1.463 1.526 1.526 - - 24 - - - - 1.589 1.589 1.301 - 28 - - - - - 1.589 1.364 1.364 AEROSPACE STANDARD AS
7、4680 SHEET 2 OF 4 REV. C FITTING, UNION, REDUCER, SHORT FLARELESS AND FLARELESS TO BOSS TABLE 2 - PORT SIZES, CORRESPONDING THREADS, HEX SIZES AND HOLE DEPTH PORT SIZE (NOMINAL TUBE SIZE) T THREAD PER AS8879 CLASS 3A B H K 02 .125 .3125-24UNJF - - - 03 .188 .3750-24UNJF - - - 04 .250 .4375-20UNJF -
8、- - 05 .312 .5000-20UNJF - - - 06 .375 .5625-18UNJF - - - 08 .500 .7500-16UNJF - - - 10 .625 .8750-14UNJF - - - 12 .750 1.0625-12UNJ - - - 14 .875 1.1875-12UNJ - - - 16 1.000 1.3125-12UNJ - - - 20 1.250 1.5625-12UNJ .650 1.615-1.630 1.605 24 1.500 1.8125-12UNJ .682 1.865-1.880 1.855 28 1.750 2.1250-
9、12UNJ .682 2.240-2.260 2.230 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: TYPE 6Al-4V TITANIUM ALLOY BAR PER AMS4928 b. CODE LETTER V: TYPE 15-5PH CORR
10、OSION RESISTANT STEEL BAR PER AMS5659 c. CODE LETTER W: TYPE 7075-T7351 ALUMINUM ALLOY BAR PER AMS4124 2. HEAT TREATMENT: a. MATERIAL CODE LETTER T: NONE b. MATERIAL CODE LETTER V: HEAT TREAT TO CONDITION H-1075 PER AMS2759/3 c. MATERIAL CODE LETTER W: NONE AEROSPACE STANDARD AS4680 SHEET 3 OF 4 REV
11、. C FITTING, UNION, REDUCER, SHORT FLARELESS AND FLARELESS TO BOSS /3/ FINISH: a. MATERIAL CODE LETTER T - FLUORIDE PHOSPHATE CONVERSION COAT PER AMS2486 b. MATERIAL CODE LETTER V: (1) V CODE PARTS TO BE PASSIVATED ONLY WILL HAVE NO FINISH CODE LETTER AFTER THE SIZE CODE IN THE PART NUMBER. THE FINI
12、SH WILL BE: PASSIVATE PER AMS2700 TYPE 2 OR 8. (2) 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. c. MATERIAL CODE LETTER W: (1) W CODE PARTS TO BE ANODIZED ONLY
13、 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 LETTER “V” AFT
14、ER 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 MANUFACTURER AS LISTED IN THE PERFORMANCE REVIEW INSTITUTE (
15、PRI) QUALIFIED PRODUCTS LIST (QPL) PRI-QPL-AS18280 FOR THIS STANDARD. SEE www.eAuditN FOR CURRENT QPL ONLINE. /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/ PO
16、RT #1 DETERMINES HEX SIZE. 7. INTENDED USE: THIS PART IS DESIGNED FOR USE IN TUBE CONNECTION SYSTEMS WITH NOMINAL OPERATING PRESSURES AS FOLLOWS: a. SIZES -20 AND -24 TITANIUM ALLOY AND CORROSION RESISTANT STEEL AT 3000 psi b. CORROSION RESISTANT STEEL AND SIZES -20, AND -24, ALUMINUM ALLOY AT 600 p
17、si /8/ 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 ELECTRICAL CONTACT RE
18、SISTANCE. NO OTHER LETTERS ARE TO FOLLOW THE SIZE CODES. 9. 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 DOCUMENT. AN (R) SYMBOL TO T
19、HE 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. /10/ THIS IS A REDUCER SHORT FLARELESS FITTING. FOR NON-REDUCER FITTINGS SEE AS
20、4663. 11. INVENTORIED PARTS CONFORMING TO THE PREVIOUS “LETTER CHANGE” MAY BE USED TO DEPLETION. 12. INTERPRETATION OF DRAWING PER AS4296. 13. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 MICROINCHES Ra. HEX FLAT SURF
21、ACES MAY BE 250 MICROINCHES Ra. 14. BREAK EDGES .003 TO .015, UNLESS OTHERWISE SPECIFIED. 15. DIMENSIONING AND TOLERANCING: ANSI Y14.5M-1982. AEROSPACE STANDARD AS4680 SHEET 4 OF 4 REV. C FITTING, UNION, REDUCER, SHORT FLARELESS AND FLARELESS TO BOSS /10/PMA TE RI AL CO DE LE TTE R /1/FI NI SH CO DE
22、 LE TTE R / 3/ /8/SI ZE CO DE , T UB E S I ZE OF PO RT #1 I N . 06 2 I NCR EM EN TSSI ZE CO DE , T UB E S I ZE OF PO RT #2 I N . 06 2 I NCR EM EN TSBA SI C P AR T N UM BE RAS4680 V 20 1616. DIMENSIONS ARE IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .010, ANGULAR DIMENSIONS 5. 17. THE HEX CORNERS MAY BE ROUNDED PER ARP1942. /18/ EXAMPLE OF PART NUMBER:
