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 4140-01-441-0283
NSN 6320-01-592-6248
NSN 6650-00-238-1199
NSN 2925-00-415-8965
NSN 7035-01-211-3326
NSN 6220-01-510-2507
NSN 5975-01-627-1734
NSN 6620-00-127-0816
NSN 5935-01-180-1333
NSN 6150-00-136-3413
NSN 6620-01-606-8964
NSN 6645-01-217-2888