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 6650-01-036-1212
NSN 5985-01-660-0738
NSN
NSN 6610-00-012-8072
NSN 6685-00-085-2404
NSN 5996-00-316-3386
NSN 5996-01-253-3486
NSN 7035-00-275-5604
NSN 5930-00-125-7073
NSN 6610-01-371-3006
NSN 6220-01-088-0465
NSN 6620-00-410-8935