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 5920-01-239-1690
NSN 5835-01-583-8358
NSN 5985-01-009-8686
NSN 5945-01-031-0524
NSN 6645-01-515-5756
NSN 6685-01-261-4984
NSN 6685-01-111-3890
NSN 5925-01-177-9077
NSN 6240-00-031-3112
NSN 6150-01-592-9129
NSN 6110-01-579-7805
NSN 5915-01-221-0089