1972_2017.pdf

AMERICAN NATIONAL STANDARD General Purpose Uniform Cross Section Spiral Retaining Rings ANSI 827.6-197 2 SECRETARIAT SOCIETY OF AUTOMOTIVE ENGINEERS THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS PUBLISHED BY THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS United Engineering Center 345 East 47th Street New York,N.Y.10017 REAFFIRMED 2017Any part of this standard may be quoted.Credit lines should read:Extracted from American National Standard-General Purpose Uniform Cross Section Spiral Retaining Rings,ANSI B27.6-1972,with the permission of the publisher,The American Society of Mechanical.Engineers,United Engineering Center,345 East 47th Street,New York,N.Y.10017,Copyright 1972 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS Printed in U.S.A.FOREWORD Formation of Subcommittee 3 was authorized by Standards Committee B27 at its meeting on November 30,1950.Organization meeting of the Subcommittee was held on October 24,1951 at which time it was agreed that bearing retainer rings,if included in the standard,would conform with practice of Anti-Friction Bearing Manufacturers Association and that technical development within the Subcommittee would be limited to general purpose retainer rings.Subgroups were appointed to investigate materials,adequacy of the AFBMA bearing retainer ring standard,general purpose and aeronautical ring usage.One of the subgroups prepared a draft proposal,General Purpose Uniform Section Spiral Retaining Ring,which was circulated to members of Subcommittee 3 on May 8,1970.The next meeting of the Subcommittee was held on February 4,1971 at which time changes were made to satisfy comments received as a result of this ballot.It was then agreed to circulate the revised draft proposal to the ANSI B27 Standards Committee.The letter ballot was circulated on August 17,1971.All who responded balloted affirmative.Several of the affirmative ballots offered editorial type comments.Each comment was carefully reviewed by a sub group and minor nontechnical changes were made to the document.The Standard was duly approved by sponsors and was submitted to the American National Standards Institute for designation,as an American Standard.This was granted on July 11,1972.111 AMERICAN NATIONAL STANDARDS COMMITTEE B27 Washers and Machine Rings(The following is the roster of the Committee at the time of approval of this standard)OFFICERS R.P.Trowbridge,Chairman Jules Freedman,Vice Chairman Joe k Levy,Secretary AMERICAN HARDWARE MFRS.ASSN,Ray Christenson,Wrought Washer Mfg,Co,Milwaukee,Wisconsin AMERICAN SOCIETY OF MECHANICAL ENGINEERS,THE To be appointed ASSOCIATION OF AMERICAN RAILROADS J.H.Bean,Association of American Railroads,Chicago,Illinois A.E.Hinson,Southern Railway Systems,Alexandria,Virginia FARM AND INDUSTRIAL EQUIPMENT INST.C.W.Stockwell,International Harvester Co.,Hinsdale,IllinoisHELICAL WASHER INST.To be appointed INDUSTRIAL FASTENERS INST,R.B.Belford,Industrial Fasteners Inst.,Cleveland,Ohio NATIONAL ELECTRICAL MFRS.ASSOCIATION F.V.Kupchak,Westinghouse Electric Corp.,Pittsburgh,Pa.J.B.Levy,General Electric Co.,Schenectady,N.Y.SOCIETY OF AUTOMOTIVE ENGINEERS R.L.Berkbigler,Ramsey Corp.,St.Louis,MissouriR.P.Trowbridge,General Motors Tech.Center,Warren,MichiganSPRING MFGRS.ASSOCIATION,INC.W.L.Abrams,Precision Spring Corp.,Detroit,MichiganTELEPHONE GROUP,THE R.H.Van Hom,Bell Telephone Laboratories,Inc.,Columbus,Ohio F.P.Balacek,Alternate,Bell Telephone Laboratories,Columbus,Ohio M.C.Berryman,Alternate,Western Electric Co.,Inc.,Chicago,IllinoisD.Lipari,Alternate,Bell Telephone Laboratories,Inc.,Columbus,OhioU.S.DEPT.OF THE ARMY R.C.Engelmann,Liaison,Rock Island Arsenal,Rock Island,IllinoisO.M.Kelley,Alternate,Rock Island Arsenal,Rock Island,IllinoisU.S.DEPT.OF DEFENSE J.D.Jones,Defense Industrial Supply Center,Phila,Pa.U.S.DEPT.OF THE NAVY C.A.Fulesdy,Naval Ship Systems Command,Wash.,D.C.INDIVIDUAL COMPANIES R.W.Bertoia,Ohio Nut&Washer Co.,Minge Junction,Ohio Jules Freedman,George K.Garrett Co.,Inc.,Phila.,Pa.G.A.Moos,Gordon A.Moos Associates Corp.,Wash.,D,C.R.A.Munse,Microdot,Inc.,Troy,Michigan K.G.Roth,Mack Trucks,Inc.,Allentown,Pa.N.C.Strandwitz,National Lock Washer Co.,North Branch,N.J.INDIVIDUAL MEMBERS E.D.Cowl in,Canton,OhiolV CONTENTS Page 1.Introductory Notes.,.,.I 2.General Data,.,.1 3.Alternate Groove Design.4 4.Assembly Precautions.4 TABLES 1.Dimensions of Type 2A01Light Duty External Retaining Rings,Grooves,and Gages 2.Dimensions of Type 2A02Heavy Duty External Retaining 6 Rings,Grooves,and Gages.12 3.Dimensions of Type 2B01Light Duty Internal Retaining Rings,Grooves,and Gages.16 4.Dimensions of Type 2B02Heavy Duty nternal Retaining Rings,Grooves,and Gages.22 APPENDIX I.Recommended StandardDrawing Format.26 INTENTIONALLY LEFT BLANK AMERICAN NATIONAL STANDARD GENERAL PURPOSE UNIFORM CROSS SECTION SPIRAL RETAINING RINGS External Types-2A01,2.802 Internal Types-2B01,2502 1.0 INTRODUCTORY NOTES 2.0 GENERAL DATA 1.1 Scope 2.1 Material This standard is intended to cover complete general and dimensiona