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 6150-01-541-0319
NSN 6610-00-527-8892
NSN 6110-01-571-9934
NSN 6145-00-495-7391
NSN 5935-01-423-7534
NSN 5920-01-395-3848
NSN 6240-00-368-8541
NSN 6240-01-383-7114
NSN 4140-01-211-7836
NSN 5920-01-428-4239
NSN 6240-01-436-9132
NSN 5998-00-926-3730