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 5975-00-553-7151
NSN 4140-00-182-9158
NSN 5915-01-600-3319
NSN 6135-01-413-4747
NSN 6645-01-391-6492
NSN 5915-00-141-0410
NSN 6320-01-418-2611
NSN 5945-01-098-9225
NSN 6620-00-477-7808
NSN 5990-01-507-1479
NSN 5975-00-939-5614
NSN 5855-01-567-0096