scope:

GENERAL: This standard covers the dimensions, physical properties, and methods of testing Tooth Lock Washers which are available in two distinct types, A and B, as indicated. They are specified under a single series of part numbers and are procurable from separate sources. Exercise of purchaser's option as to type is thereby controlled by selection of source. The tooth lock washers described herein are in conformance with American National Standard B-18.21.1.

It should be noted that the word "Lock" appearing in the names of the 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 they are used.