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 6220-01-254-0091
NSN 2925-01-064-3729
NSN 6685-00-929-1185
NSN 6685-01-119-3459
NSN 5945-00-218-0012
NSN 5835-00-682-5177
NSN 5855-01-483-1350
NSN 2925-01-435-9057
NSN 5920-01-381-9310
NSN 2925-00-127-3828
NSN 5950-01-193-1009
NSN 6610-00-260-1181