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 5998-01-608-6432
NSN 6610-00-314-2605
NSN 6650-01-472-3955
NSN 6650-01-633-9147
NSN 5835-01-485-1408
NSN 7035-01-359-1761
NSN 6145-01-156-7866
NSN 7035-01-175-4321
NSN 5998-01-479-2213
NSN 6610-00-141-0393
NSN 5985-00-728-1640
NSN 5985-01-660-3257