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About This Item

 

Full Description

This Standard covers the dimensions, physical properties, and methods of testing for helical spring and tooth lock washers.
 

Document History

  1. ASME B18.21.1-2009 (R2016)


    Washers: Helical Spring-Lock, Tooth Lock, and Plain Washers (Inch Series)

    • Most Recent
  2. ASME B18.21.1-1999 (R2005)


    Lock Washers (Inch Series)

    • Historical Version
  3. ASME B18.21.1-1994

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    Lock Washers (Inch Series)

    • Historical Version
  4. ASME B18.22.1-1965 (R2008)


    Plain Washers

    • Historical Version