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 2925-00-441-8252
NSN 5855-01-643-5871
NSN 5998-01-004-7396
NSN 5905-01-579-9149
NSN 6135-00-299-6918
NSN 6110-01-553-8608
NSN 6240-00-824-4678
NSN 5945-00-247-1241
NSN 5999-01-496-7585
NSN 5990-00-402-7721
NSN 5945-01-454-5315
NSN 5925-01-029-3483