1、_ SAE Technical Standards Board Rules provide 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 there
2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2015 SAE International All rights reserved. No part of this p
3、ublication may be reproduced, 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: +1 724-776-497
4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AS4444/2 AEROSPACE STANDARD AS4444/2 Issued 1997-10 Reaffirmed 2015-06 Fitting, 2
5、4 Cone Flareless to 37 Flared, Fluid Connection RATIONALE AS4444/2 has been reaffirmed to comply with the SAE five-year review policy. 1. SCOPE:1.1 Scope:This SAE Aerospace Standard (AS) establishes the requirements for fluid fittings that combine both 24 cone flareless and 37 flared connections for
6、 use in all types of fluid systems.1.2 Classification:Fittings shall be furnished in the types and styles designated by the applicable AS, MS and other engineering standard drawings. This specification is the same as MIL-F-18280 as applicable to flareless fittings except for updated materials and pr
7、ocess specifications and industry coordinated general improvements. It is intended to serve as a procurement specification for the fittings described herein and in Section 6.2. REFERENCES:2.1 Applicable Documents:The following publications form a part of this specification to the extent specified he
8、rein. The latest issue of SAE publications shall apply. The applicable issue of other publications shall be the issue in effect on the date of the purchase order. In the event of conflict between the text of this specification and references cited herein, the text of this specification takes precede
9、nce. Nothing in this specification, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 2.1.1 SAE Publications: Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.AS4444 Fittings, 24 Cone Flareless, Fluid Connection, 5000 psiAS4841 Fi
10、ttings, 37 Flared, Fluid ConnectionSAE INTERNATIONAL AS4444/2 Page 2 of 3 2.1.2 U.S. Government Publications: Available from DODSSP, Subscription Services Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.MIL-F-18280 Fittings, Flareless Tube, Fluid Connection3. TECHNICAL REQUIREMENT
11、S:3.1 Material:See AS4444.3.2 Design and Fabrication:The design and fabrication of the fittings shall be in accordance with the applicable drawings. The flareless fitting ends shall meet the requirements of AS4444. The 37 flared fitting ends shall meet the requirements of AS4841.3.3 Finish:See AS444
12、4.3.4 Identification of Product:See AS4444.3.5 Performance:The flareless fitting ends and center body section of the fitting shall meet the performance requirements of AS4444. The 37 flared fitting ends are not subject to performance requirements.3.6 Workmanship:See AS4841 for flared ends and AS4444
13、 for the fitting body and flareless ends.4. QUALITY ASSURANCE PROVISIONS:See AS4841 for flared fitting ends and AS4444 for the fitting body and flareless ends.5. PREPARATION FOR DELIVERY:See AS4444.SAE INTERNATIONAL AS4444/2 Page 3 of 3 6. NOTES:6.1 Intended Use:See AS4444.6.2 Assembly:See AS4841 fo
14、r flared fitting ends. For flareless fitting ends, see 6.1 of AS4444.6.3 Superseding Information:This specification is intended to be suitable for designation as a procurement specification for 24 cone flareless fittings that also have 37 flared fitting end. This specification is intended to be a re
15、placement as a primary procurement specification for the following fittings that have MIL-F-18280 designated as a procurement specification:MS21900 Adapter, Flareless Tube to a Flared TubeMS21901 Adapter, Flareless Tube for 3/8 Bulkhead and Universal to an Flared TubeMS21923 Adapter, Flareless Tube,
16、 Bulkhead and Universal to Flared TubeMS24405 Adapter, Flareless Tube to Flared Tube Precision TypeMS24651 Elbow, Tube - 90, Bulkhead, Flareless Tube, Universal to Flared TubeMS24652 Elbow, Tube - 90, Bulkhead, Flared Tube, Universal to Flareless TubeMS24654 Elbow, Tube - 45, Bulkhead, Flareless Tube Universal to Flared TubePREPARED BY SAE SUBCOMMITTEE G-3B, AEROSPACE FITTINGS OF COMMITTEE G-3, AEROSPACE COUPLINGS, FITTINGS, HOSE & TUBING ASSEMBLIES
