1、AN AMERICAN NATIO NAL STANDARDASME Y14.2-2008Revision of ASME Y14.2M-1992(R2003)Line Conventions and LetteringEngineering Drawing and Related Documentation PracticesCopyright 2008 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of
2、ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASME Y14.2ADOPTION NOTICEASME Y14.2,Line Conventions and Lettering,was adopted on 30
3、 September,2008 for use by the Department ofDefense(DoD).ProposedchangesbyDoDactivitiesmustbesubmittedtotheDoDAdoptingActivity:Commander,U.S.Army Research,Development and Engineering Center(ARDEC),ATTN:AMSRD-AAR-QES-E,PicatinnyArsenal,NJ 07806-5000.Copies of this document may be purchased from The A
4、merican Society of MechanicalEngineers(ASME),Three Park Avenue,New York,NY 10016-5990.http:/www.asme.orgCustodians:Adopting Activity:Army ARArmy ARNavy SAAir Force 16(ProjectDRPR-2008-006)Review Activities:Army CR,IE,MI,PT,TM2Navy AS,CG,CH,EC,MC,NP,TDAir Force 13,99DLA DHOSD SENSA NSOther CM,MP,DC2N
5、OTE:Theactivitieslistedabovewereinterestedinthisdocumentasofthedateofthisdocument.Sinceorganizationsandresponsibili-ties can change,you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil.AMSC N/AAREA DRPRDISTRIBUTION STATEMENT A.Approved
6、 for public release;distribution is unlimited.Copyright 2008 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanfor
7、d University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASME Y14.2-2008Revision of ASME Y14.2M-1992(R2003)Line Conventionsand LetteringEngineering Drawing and RelatedDocumentation PracticesAN AMERICAN NATIONAL STANDARDCopyright 2008 by the American Society of
8、 Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled whe
9、n printed.Date of Issuance:December 3,2008This Standard will be revised when the Society approves the issuance of a new edition.There willbe no addenda or written interpretations of the requirements of this Standard issued to this edition.Periodically certain actions of the ASME Y14 Committee may be
10、 published as Cases.Cases arepublished on the ASME Web site under the Committee Pages at http:/cstools.asme.org as they areissued.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria f
11、or American NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable forpublic review andcomment thatprovides an op
12、portunityfor additional publicinput from industry,academia,regulatory agencies,and the public-at-large.ASME does not“approve,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connectio
13、n with anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent,nor assumes any such liability.Users of a code or standard are expresslyadvised that determination of the validity of any such pa
14、tent rights,and the risk of infringement of such rights,isentirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for onl
15、y those interpretations of this document issued in accordance with the establishedASME procedures and policies,which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior writte
16、n permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2008 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright 2008 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reprod