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 6110-01-090-0417
NSN 6150-01-391-2614
NSN 2925-00-246-3077
NSN 6135-01-351-1131
NSN 5950-01-365-2334
NSN 6620-01-066-7950
NSN 5996-00-125-4570
NSN 6620-00-420-1061
NSN 5990-01-393-2278
NSN 6105-01-336-2789
NSN 5895-01-367-2387
NSN 6220-00-501-1359