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 5910-00-789-1206
NSN 6650-01-505-6947
NSN 5975-01-536-7749
NSN 6320-01-264-7611
NSN 6150-01-060-4932
NSN 6220-00-812-0515
NSN 6645-00-627-1501
NSN 5999-00-888-9599
NSN 5905-01-588-3108
NSN 6220-01-645-5767
NSN 6650-01-195-3957
NSN 2925-01-144-0352