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 6220-01-049-0337
NSN 6130-01-287-9491
NSN 5905-01-632-4138
NSN 5930-01-481-1109
NSN 4140-01-348-2219
NSN 5935-00-614-3894
NSN 5920-00-946-0046
NSN 5950-00-246-6227
NSN 5855-01-342-3824
NSN 6220-01-290-0380
NSN 6620-01-483-1138
NSN 6145-00-011-2390