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 5950-01-421-4138
NSN 6645-01-170-7368
NSN 5998-01-167-8994
NSN 5855-01-369-4192
NSN 5965-01-633-8849
NSN 5855-00-403-1031
NSN 2925-01-303-5266
NSN 5920-00-155-2173
NSN 5990-01-374-3877
NSN 5910-01-586-1918
NSN 6645-00-021-6408
NSN 6110-00-202-1021