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1、 AEROSPACE STANDARD FITTING, TEE, PIPE, INTERNAL THREAD AS4857 ISSUED 1995-07 REVISED 2003-11 REAFFIRMED 2007-07 CUSTODIAN: SAE G-3/G-3B REV. A FEDERAL SUPPLY CLASS 4730 AS4857 SHEET 1 OF 3 REV. A PROCUREMENT SPECIFICATION: /5/ AS4842 THIRD ANGLE PROJECTION SAE Technical Standards Board Rules provid
2、e that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user
3、.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. (R) X LOCATION OF IDENTIFICATION /6/ 2X (K) 90 0 2 30 FOR SIZE 03 AND SMALLER 1 30 FOR SIZE 04 AND LARGER 2X R H 3X A W ACROSS
4、PADS C D 3X T THREAD EXCEPT AS SHOWN DRILL 3X (U) B3X FIGURE 1 FITTING, TEE, PIPE, INTERNAL THREAD TABLE 1 DIMENSIONS BASIC NO. AS4857 /15/ SIZE CODE T THREAD PER AS71051 ANPT A +.047 -.000 B C D +.047 -.000 H K U W 01 1/8 -27 .641 .578 .311-.327 .641 .063 .500 .250 .610-.628 02 1/4 -18 .891 .781 .4
5、04-.423 .953 .094 .625 .375 .797-.815 03 3/8 -18 .969 .922 .529-.557 1.094 .094 .750 .500 .923-.941 04 1/2 -14 1.234 1.156 .654-.688 1.359 .125 .875 .625 1.173-1.191 06 3/4 -14 1.344 1.359 .857-.897 1.469 .125 1.000 .750 1.355-1.380 08 1 -11 1/2 1.625 1.688 1.091-1.128 1.813 .125 1.125 .875 1.730-1.
6、755 10 1 1/4 -11 1/2 1.688 2.094 1.435-1.471 1.875 .156 1.250 1.000 2.136-2.166 INACTIVE IN PART - SEE NOTE /16/ RATIONALE THIS DOCUMENT HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE 5-YEAR REVIEW POLICY. Copyright 2007 SAE International All rights reserved. No part of this publication may be reproduce
7、d, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, 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: 724-776-0
8、790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org Copyright SAE International Provided by IHS under license with SAELicensee=Defense Supply Ctr/5913977001 Not for Resale, 12/04/2007 19:06:36 MSTNo reproduction or networking permitted without license from IHS -,-,- AEROSPACE STANDA
9、RD FITTING, TEE, PIPE, INTERNAL THREAD AS4857 REV. A AS4857 SHEET 2 OF 3 REV. A (R) NOTES: /1/ MATERIAL: a. DASH AS CODE LETTER TYPE 377 COPPER ALLOY FORGING PER ASTM B 124, OR HALF HARD FORGING OR BAR PER ASTM B 138, OR BAR PER AMS 4614. b. CODE LETTER D TYPE 2014-T6 ALUMINUM ALLOY FORGING PER AMS-
10、QQ-A-367 OR AMS 4133, OR TYPE 2024-T6 ALUMINUM ALLOY BAR PER AMS-QQ-A-225/6, OR TYPE 2024-T851 ALUMINUM ALLOY BAR PER AMS-QQ-A-225/6 OR AMS 4339. /16/ c. CODE LETTER J TYPE 304 CORROSION RESISTANT STEEL FORGING OR BAR PER AMS-QQ-S-763 OR AMS 5639. d. CODE LETTER K TYPE 316 CORROSION RESISTANT STEEL
11、FORGING OR BAR PER AMS-QQ-S-763 OR AMS 5648. e. CODE LETTER R TYPE 321 CORROSION RESISTANT STEEL FORGING OR BAR PER AMS-QQ-S-763 OR AMS 5645. f. CODE LETTER S TYPE 347 CORROSION RESISTANT STEEL FORGING OR BAR PER AMS-QQ-S-763 OR AMS 5646. /16/ g. CODE LETTER W TYPE 7075-T73 ALUMINUM ALLOY FORGING PE
12、R AMS-QQ-A-367 OR AMS 4141, OR TYPE 7075-T73 ALUMINUM ALLOY BAR PER AMS-QQ-A-225/9, OR TYPE 7075-T7351 ALUMINUM ALLOY BAR PER AMS 4124. 2. FINISH: a. DASH AS CODE LETTER CADMIUM PLATE PER AMS-QQ-P-416, TYPE II, CLASS 3 OR NONE. /17/ b. MATERIAL CODE LETTER D ANODIZE PER MIL-A-8625, TYPE II, CLASS 2
13、OR AMS 2472, DYE BLUE. c. MATERIAL CODE LETTER J PASSIVATE PER AMS-QQ-P-35, TYPE VI OR VII. d. MATERIAL CODE LETTER K PASSIVATE PER AMS-QQ-P-35, TYPE VI OR VII. e. MATERIAL CODE LETTER R PASSIVATE PER AMS-QQ-P-35, TYPE VI OR VII. f. MATERIAL CODE LETTER S PASSIVATE PER AMS-QQ-P-35, TYPE VI OR VII. g
14、. MATERIAL CODE LETTER W ANODIZE PER MIL-A-8625, TYPE II, CLASS 2 OR AMS 2472, DYE BROWN SIMILAR TO COLOR 10080 OF FED-STD-595. /3/ INTENDED USE: OXYGEN SYSTEMS AND GROUND SUPPORT EQUIPMENT ONLY. PARTS FOR OXYGEN SYSTEMS SHALL BE IDENTIFIED IN THE PART NUMBER AS CODE “A” AND SHALL BE FURNISHED CLEAN
15、ED, PACKAGED, AND LABELED IN ACCORDANCE WITH AIR1176 TO A PROCESS APPROVED BY THE USER. 4. WHEN MACHINED FROM BAR OR OVERSIZED FORGING, THE CENTER BODY DIMENSIONS SHALL CONFORM TO AS1376, TABLE 7. /5/ PROCUREMENT SPECIFICATION: AS4842 EXCEPT AS SPECIFIED ON THIS STANDARD. USERS OF THIS STANDARD SHAL
16、L PROCURE THIS PRODUCT FROM ACCREDITED MANUFACTURER(S), OR ACCREDITED DISTRIBUTOR(S), AS LISTED IN THE PERFORMANCE REVIEW INSTITUTE (PRI) QUALIFIED MANUFACTURERS LIST (QML) FOR THIS TYPE OF PRODUCT. /6/ IDENTIFICATION AT LOCATION SHOWN: MARK PER AS478 CLASS C OR D, OR METHOD 7A3, 15A3, OR 15B. a. FO
17、R SIZES 03 AND SMALLER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, LETTERS “AS“, MATERIAL CODE LETTER, AND FORGING MANUFACTURERS IDENTIFICATION, WHEN MADE FROM FORGING. b. FOR SIZES 04 AND LARGER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, BASIC PART NUMBER, MATERIAL CODE LETTER, AND FORGING MANUF
18、ACTURERS IDENTIFICATION, WHEN MADE FROM FORGING. 7. INVENTORIED PARTS CONFORMING TO THE PREVIOUS “LETTER CHANGE” MAY BE USED TO DEPLETION. 8. THIS STANDARD IS A FUNCTIONAL EQUIVALENT OF AN917. 9. THE CHANGE BAR ( | ) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHE
19、RE 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. Copyright SAE International Provided by IHS under license with SAELicensee=Defense Supply Ctr/591397700
20、1 Not for Resale, 12/04/2007 19:06:36 MSTNo reproduction or networking permitted without license from IHS -,-,- AEROSPACE STANDARD FITTING, TEE, PIPE, INTERNAL THREAD AS4857 REV. A AS4857 SHEET 3 OF 3 REV. A (R) 10. INTERPRETATION OF DRAWING PER ARP4296. 11. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M
21、; REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 in Ra. FORGED SURFACES MAY BE 250 in Ra. 12. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 13. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. 14. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCE
22、S: LINEAR DIMENSIONS .016, ANGULAR DIMENSIONS 030. /15/ EXAMPLE OF PART NUMBER: AS4857 J 04 A BASIC PART NUMBER CODE LETTER FOR OXYGEN SYSTEMS. /3/ THIS CODE LETTER SHALL BE THE LAST DIGIT IN THE PART NUMBER. OMIT CODE LETTER IF OXYGEN SYSTEMS ARE NOT REQUIRED MATERIAL CODE LETTER /1/ SIZE CODE, PIP
23、E SIZE IN .125 INCREMENTS /16/ PART NUMBERS WITH MATERIAL CODE LETTER D ARE INACTIVE FOR NEW DESIGN AS OF 2004-03. USE PART NUMBERS WITH MATERIAL CODE LETTER W FOR NEW DESIGN. PART NUMBERS WITH MATERIAL CODE LETTER S ARE INACTIVE FOR NEW DESIGN AS OF 2004-03. USE PART NUMBERS WITH MATERIAL CODE LETT
24、ER R FOR NEW DESIGN. /17/ THIS DOCUMENT INCLUDES CADMIUM AS A PLATING MATERIAL. THE USE OF CADMIUM HAS BEEN RESTRICTED AND/OR BANNED FOR USE IN MANY COUNTRIES DUE TO ENVIRONMENTAL AND HEALTH CONCERNS. THE USER SHOULD CONSULT WITH LOCAL OFFICIALS ON APPLICABLE HEALTH AND ENVIRONMENTAL REGULATIONS REGARDING ITS USE. Copyright SAE International Provided by IHS under license with SAELicensee=Defense Supply Ctr/5913977001 Not for Resale, 12/04/2007 19:06:36 MSTNo reproduction or networking permitted without license from IHS -,-,-