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 6650-00-228-8440
NSN 6645-01-200-3577
NSN 5925-00-008-0550
NSN 5950-01-481-7568
NSN 6645-01-043-3179
NSN 4140-01-488-3969
NSN 6145-01-083-4203
NSN 6130-00-450-4454
NSN 7035-00-455-7666
NSN 6645-01-459-7788
NSN 5925-01-059-5726
NSN 5925-01-593-8499