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 5920-01-367-2236
NSN 5935-01-481-3805
NSN 2925-00-174-4322
NSN 4140-00-143-9084
NSN 5965-01-355-7164
NSN 5985-00-081-1885
NSN 5915-00-679-3093
NSN 5950-00-375-8284
NSN 5999-00-003-3950
NSN 5950-01-417-4730
NSN 5895-00-204-6942
NSN 6150-01-290-2984