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 6610-01-559-1447
NSN 4140-01-182-8905
NSN 5855-00-149-0766
NSN 5975-01-421-1126
NSN 5960-00-400-2222
NSN 6685-01-158-9427
NSN 5855-01-557-1269
NSN 6130-00-476-6841
NSN 5975-01-424-4251
NSN 6240-01-423-6771
NSN 5998-00-778-8475
NSN 6645-01-045-4088