No other part numbers with same form, fit, and function found.
A locking device which is serrated on the inside and outside diameters. It may have outer serrations omitted on one or two sides for close edge installation. The inner serrations engage the mating serrations of bolts, inserts, nuts, studs or similar items to be locked in place. The outer serrations broach their way into parent material when driven or pressed into place.
NSN 4140-01-252-1005
NSN 5960-01-421-0887
NSN 5915-01-438-1450
NSN 6130-00-989-9143
NSN 2925-01-448-2880
NSN 5999-00-934-0306
NSN 7035-01-297-7941
NSN 4140-01-566-1791
NSN 5999-00-323-1852
NSN 6240-01-089-6149
NSN 6220-01-261-8103
NSN 5975-01-091-2045