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ASME B18.21.1

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

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Organization: ASME
Publication Date: 1 January 2009
Status: active
Page Count: 36
scope:

This Standard covers the dimensional requirements, physical properties, and related test methods for helical spring-lock washers (# 0 through 3 in.), tooth-lock washers (# 2 through 134 in.), and plain washers (# 0 through 3 in.).

The inclusion of dimensional data in this Standard is not intended to imply that all products described are stock production items. Consumers should consult with suppliers concerning the availability of products.

NOTE: The word lock appearing in the names of products in this Standard is a generic term historically associated with their identification and is not intended to imply an indefinite permanency of fixity in attachments where the fasteners are used.

Document History

ASME B18.21.1
January 1, 2009
Washers: Helical Spring-Lock, Tooth Lock, and Plain Washers (Inch Series)
This Standard covers the dimensional requirements, physical properties, and related test methods for helical spring-lock washers (# 0 through 3 in.), tooth-lock washers (# 2 through 13⁄4 in.), and...
January 1, 1999
Lock Washers (Inch Series)
This Standard covers the dimensions, physical properties, and methods of testing for helical spring- and tooth-lock washers. The inclusion of dimensional data in this Standard is not intended to...
January 1, 1999
Lock Washers (Inch Series)
This Standard covers the dimensions, physical properties, and methods of testing for helical spring- and tooth-lock washers. The inclusion of dimensional data in this Standard is not intended to...
January 1, 1994
Lock Washers (Inch Series)
This Standard covers the dimensions, physical properties, and methods of testing for helical spring and tooth lock washers. The inclusion of dimensional data in this Standard is not intended to...
October 31, 1990
LOCK WASHERS (INCH SERIES)
A description is not available for this item.
April 28, 1972
LOCK WASHERS (REVISION AND REDESIGNATION OF B27.1-1965) (R 1983)
This standard covers the dimensions, physical properties and methods of testing for helical spring lock washers made from various materials and carbon steel tooth lock washers, recognized as American...

References

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