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 entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom
2、, is the sole responsibility of the user.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.Copyright 2001 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.S.A.
3、TO PLACE A DOCUMENT ORDER: (724) 776-4970 FAX: (724) 776-0790 SAE WEB ADDRESS: http:/www.sae.org400 Commonwealth Drive, Warrendale, PA 15096-0001AEROSPACE STANDARDAS4842/2Issued 1995-05Reaffirmed 2001-12Fittings, Flareless to Pipe Threaded, Fluid Connection1. SCOPE:1.1 Scope:This SAE Aerospace Stand
4、ard (AS) establishes the requirements for fluid fittings that combine both flareless and pipe threaded connections for use in all types of fluid systems.1.2 Classification:Fittings shall be furnished in the types and styles designated by the applicable AS and other engineering standard drawings. Thi
5、s specification is the same as MIL-F-18280 as applicable to flareless fittings except for updated materials and process 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. REFERENCE
6、S:2.1 Applicable Documents:The following publications form a part of this specification to the extent specified herein. 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 conflic
7、t between the text of this specification and references cited herein, the text of this specification takes precedence. 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 Comm
8、onwealth Drive, Warrendale, PA 15096-0001.AS4375 Fitting End, External Thread, Flareless Design StandardAS4444 Fittings, Flareless, Fluid ConnectionAS4842 Fittings and Bosses, Pipe Threaded, Fluid ConnectionCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproducti
9、on or networking permitted without license from IHS-,-SAE AS4842/2 - 2 -2.1.2 U.S. Government Publications: Available from DODSSP, Subscription Services Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.MS33514 Fitting End, Standard Dimensions for Flareless Tube Connection and Gaske
10、t SealMS33677 Fitting End, Taper Pipe Thread, Standard Dimensions for3. TECHNICAL REQUIREMENTS:3.1 Material:See AS4842.3.2 Design and Fabrication:The design and fabrication of the fittings shall be in accordance with the applicable drawings. The flareless and pipe threaded ends of fittings shall be
11、in accordance with AS4375, MS33514, or MS33677 as applicable. The flareless fitting ends shall meet the requirements of AS4444 as applicable.3.3 Finish:See AS4444.3.4 Identification of Product:See AS4842.3.5 Weight:See AS4842.3.6 Workmanship:See AS4842 for pipe threaded fitting ends and AS4444 for t
12、he fitting body and flareless ends.4. QUALITY ASSURANCE PROVISIONS:See AS4842 for pipe threaded fitting ends and AS4444 for the fitting body and flareless ends.5. PREPARATION FOR DELIVERY:See AS4842.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or ne
13、tworking permitted without license from IHS-,-SAE AS4842/2 - 3 -6. NOTES:6.1 Intended Use:See AS4842.6.2 Assembly:See AS4842 for pipe threaded 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 pr
14、ocurement specification for pipe threaded fittings that mate to threaded pipe or to other pipe threaded fittings and that also have a flareless fitting end. This specification is intended to be a replacement as a primary procurement specification for the following fittings that have MIL-F-18280 desi
15、gnated as a procurement specification:AS893 Tee, Flareless Tube to Male Pipe on SideAS894 Tee, Flareless Tube to Male Pipe on RunAS895 Elbow, 45, Flareless Tube to Male PipeAS896 Nipple, Flareless Tube to Male PipeAS897 Elbow, 90, Flareless Tube to Male PipePREPARED BY SAE SUBCOMMITTEE G-3B, AEROSPACE FITTINGS OFCOMMITTEE G-3, AEROSPACE COUPLINGS, FITTINGS, HOSE, AND TUBING ASSEMBLIESCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-
