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AN AMERICAN NATIO NAL STANDAR DEngineering Drawing PracticesASME Y14.100-2004(Revision of ASME Y14.100-2000)Engineering Drawing and Related Documentation PracticesCopyrighted 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 Y14.100ADOPTION NOTICEASME Y14.100,Engineering Drawing and Related Documentation Practices,was adopted on 30 January 1998 foruse by the Department of Defense,DoD.Proposed changes by DoD activities must be submitted to the DoDAdopting Activity:Commander,U.S.Army ARDEC,ATTN:AMSRD-AAR-AIS-SS,Picatinny Arsenal,NJ 07806-5000.Copies of this document may be purchased from The American Society of Mechanical Engineers(ASME),22 Law Drive,PO Box 2900,Fairfield,NJ 07007-2900;http:/www.asme.org.Custodians:Adopting Activity:Army ARArmy ARNavy SAAir Force 16(Project DRPR-0361)DLA DHReview Activities:Army AT,CR,MINavy AS,CH,EC,MC,TDAir Force 13,99NSA NSAMSC N/AAREA DRPRDISTRIBUTION STATEMENT A.Approved for public release;distribution is unlimited.Copyrighted 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 Y14.100-2004(Revision of ASME Y14.100-2000)EngineeringDrawingPracticesEngineering Drawing and Related Documentation PracticesAN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016Copyrighted 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.Date of Issuance:September 6,2005This 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.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 for 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 opportunityfor 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 connection 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 assume any such liability.Users of a code or standard are expresslyadvised that determination of the validity of any such patent 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 only 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 written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2005 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyrighted 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.CONTENTSForeword.ivCommittee Roster.vi1General.12References.13Definitions.24General Drawing Practices.55Drawing Titles.96Numbering,Coding,and Identification.107Markings on Drawings.12Figures1Drawing Notations Indicating a Transfer of Design Responsibility.112Symbology.133Duplicate Original Notation.164Duplicate Production Master Drawing Notation.17Table1Acronyms for Special Items and Processes.12Nonmandatory AppendicesATailoring.19BNoncommercial Drawing Practices.22CDrawing Titles.24DNumbering,Coding,and Identification.27EMarkings on Engineering Drawings.34Index.36iiiCopyrighted 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.FOREWORDThis Standard establishes engineering drawing practices and ties together the engineeringdrawing and related documentation practices in the Y14 series.It i