1、 AEROSPACE STANDARD FITTING ASSEMBLY, CAP, FLARELESS PROTECTIVE CLOSURE, LOW PRESSURE AS4300Copyright 2014 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, photocopy
2、ing, 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 ISSUED 1992-01REAFFIRMED 2007-11REVISE
3、D 2014-12THIRD ANGLE PROJECTION CUSTODIAN: G-3/G-3B REV.C FEDERAL SUPPLY CLASS 4730 AS4300 SHEET 1 OF 2 REV. C PROCUREMENT SPECIFICATION: NONESAE Technical Standards Board Rules provide that: “This report ispublished by SAE toadvance thestate of technicalandengineering sciences. Theuse ofthisreport
4、is entirelyvoluntary, andits applicability and suitability forany particularuse,including any patent infringement arising therefrom, isthe soleresponsibilityofthe user.”SAE reviews eachtechnicalreport at least every five years at which time itmay berevised,reaffirmed, stabilized, orcancelled. SAE in
5、vites yourwrittencomments andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4300C RATIONALE CORRECTED O-RING SPECIFICATION AND COMPOUND FOR MATERIAL CODE LETTER “D”. . FIGURE 1 - FITTING ASSEMBLY, CAP, FLARELESS T
6、ABLE 1 - DIMENSIONS, O-RING SIZES AND WEIGHTS AEROSPACE STANDARD AS4300 SHEET 2 OF 2 REV. C FITTING ASSEMBLY, CAP, FLARELESS PROTECTIVE CLOSURE, LOW PRESSURE NOTES: /1/ MATERIAL: a. CODE LETTER B 1. CAP - ALUMINUM ALLOY (ANY ALLOY IS ACCEPTABLE). 2. O-RING PER AS568, COMPOUND PER NAS1613 FOR USE WIT
7、H SKYDROL AND OTHER PHOSPHATE ESTERS. b. CODE LETTER D 1. CAP - ALUMINUM ALLOY (ANY ALLOY IS ACCEPTABLE). 2. O-RING PER AS83461/1, COMPOUND PER AMS-P-83461 FOR USE WITH MIL-PRF-87257 OR MIL-PRF- 83282 HYDRAULIC FLUIDS. 2. FINISH: a. CODE LETTER B - ANODIZE PER AMS2472 OR MIL-A-8625, TYPE II, CLASS 2
8、, DYE BLUE. b. CODE LETTER D - ANODIZE PER AMS2472 OR MIL-A-8625, TYPE II, CLASS 2, DYE RED. /3/ IDENTIFICATION AT LOCATION SHOWN: MARK PER AS478 CLASS C OR D OR METHOD 7A3, 15A3, OR 15B. a. FOR SIZES 06 AND SMALLER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, LETTER “AS” AND MATERIAL CODE LETTER. b
9、. FOR SIZES 08 AND LARGER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, BASIC PART NUMBER, AND MATERIAL CODE LETTER. /4/ DRILL POINT PERMISSIBLE TO .040 MINIMUM WALL THICKNESS. 5. INVENTORIED PARTS CONFORMING TO THE PREVIOUS “LETTER CHANGE” MAY BE USED TO DEPLETION. 6. INTENDED USE: THIS CAP ASSEMBLY
10、 IS INTENDED FOR USE AS A PROTECTIVE CLOSURE FOR FLARELESS END FITTING PER AS18280 FOR TRANSIT AND STORAGE AT 20 PSI MAX INTERNAL PRESSURE. 7. INTERPRETATION OF DRAWING PER AS4296. 8. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACE
11、S TO BE 125 MICROINCHES Ra. 9. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. 10. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. 11. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .010, ANGULAR DIMENSIONS 0 30. 12. A CHANGE BAR (l) LOCATED IN THE LEFT MARGIN I
12、S 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 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. EXAMPLE OF PART NUMBER:
