ASME B18.21.1-1972
Washers: Helical Spring-Lock, Tooth Lock, and Plain Washers (Inch Series)
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ASME B18.21.1-1972
Standard No.
ASME B18.21.1-1972
Release Date
1972
Published By
American Society of Mechanical Engineers (ASME)
Status
Withdraw
Replace By
ASME B18.21.1-1990
Latest
ASME B18.21.1-2009(R2016)
ASME B18.21.1-1972 history
0000
ASME B18.21.1-2009(R2016)
2009
ASME B18.21.1-2009
Washers: Helical Spring-Lock, Tooth Lock, and Plain Washers (Inch Series)
1999
ASME B18.21.1-1999
Lock washers (Inch series)
1994
ASME B18.21.1-1994
Lock washers (Inch series)
1990
ASME B18.21.1-1990
Lock washers (Inch series)
1972
ASME B18.21.1-1972
Washers: Helical Spring-Lock, Tooth Lock, and Plain Washers (Inch Series)
ASME B18.21.1-1972 -All Parts
ASME B18.21.2M-1999(R2014) Lock Washers (Metric Series) Supersedes IFI 532: 1982
ASME B18.21.3-2008(R2023) Double Coil Helical Spring Lock Washers for Wood Structures
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