1、 AEROSPACE STANDARD CAP ASSEMBLY, PROTECTIVE CLOSURE, BEAM SEAL FITTING, LOW PRESSURE AS4282Copyright 2015 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 1990-03REAFFIRMED2015-04THIRD A
3、NGLE PROJECTION CUSTODIAN: G-3/G-3B FEDERAL SUPPLY CLASS 4730AS4282 SHEET 1 OF 2 PROCUREMENT SPECIFICATION: NONESAE Technical Standards Board Rules provide that: “This report ispublished by SAE toadvance thestate of technicalandengineering sciences. Theuse ofthisreport is entirelyvoluntary, andits a
4、pplicability 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 invites yourwrittencomments ands
5、uggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4282 RATIONALE AS4282 HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY. AEROSPACE STANDARD AS4282 SHEET 2 OF 2 CAP ASSEMBLY, PROTECTIVE CLOSURE, BEAM
6、 SEAL FITTING, LOW PRESSURE NOTES:1. MATERIAL: ALUMINUM ALLOY.2. FINISH: ANODIZE PER MIL-A-8625, TYPE II, CLASS 2, DYE RED OR BLUE PER /8/./3/ DRILL POINT PERMISSIBLE TO .040 MINIMUM WALL THICKNESS.4. ALL MACHINED SURFACES SHALL BE SMOOTH TO 125 MICROINCHES Ra PER ANSI/ASME B46.1.5. REMOVE ALL BURRS
7、 AND BREAK SHARP EDGES .003-.015.6. DIMENSIONING AND TOLERANCING: ANSI Y14.5M.7. DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES: LINEAR DIMENSIONS .010, ANGULAR DIMENSIONS 5./8/ CODE LETTER FOR O-RING AND FINISH COLOR, IN PLACE OF DASH IN PART NUMBER:LETTER D: O-RING PER MS28775, COMPO
8、UND PER MIL-P-25732 FOR USE WITH MIL-H-5606 OR MIL-H-83282 HYDRAULIC FLUIDS - RED COLOR ANODIZE.LETTER B: O-RING PER AS568, COMPOUND PER NAS1613 FOR USE WITH SKYDROL AND OTHER PHOSPHATE ESTERS - BLUE COLOR ANODIZE./9/ EXAMPLE OF PART NUMBER: AS4282D08, CAP ASSEMBLY, .500 TUBE SIZE, O-RING PER MS28775, RED COLOR ANODIZE.10. DO NOT USE UNASSIGNED PART NUMBERS.11. INTENDED USE: THIS CAP ASSEMBLY IS INTENDED FOR USE AS A PROTECTIVE CLOSURE FOR BEAM SEAL END FITTINGS PER MIL-F-85421 FOR TRANSIT AND STORAGE AT 20 psi MAX INTERNAL PRESSURE.
