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 6620-00-575-9230
NSN 5910-00-920-7337
NSN 6220-01-437-9085
NSN 6610-01-129-1053
NSN 5945-01-173-1571
NSN 6150-01-188-7317
NSN 6320-01-242-8355
NSN 5895-01-328-4981
NSN 5965-00-904-9103
NSN 5910-01-601-9842
NSN 6610-00-456-0485
NSN 5920-01-367-1323