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 7035-01-321-1555
NSN 5999-01-243-8496
NSN 5925-00-152-9399
NSN 7035-01-265-2301
NSN 5950-00-350-8373
NSN 5920-00-336-9055
NSN 5965-00-726-3168
NSN 5999-01-546-3374
NSN 6135-00-660-8654
NSN 6685-01-558-6313
NSN 6220-00-030-6728
NSN 6610-01-511-0982