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 5950-00-144-4139
NSN 5990-00-870-0656
NSN 6685-00-586-6048
NSN 6650-00-500-6455
NSN 6620-00-869-4678
NSN 6220-01-139-3520
NSN 5915-01-030-9382
NSN 6145-00-481-8737
NSN 5930-01-231-9366
NSN 6610-01-481-9575
NSN 6145-01-444-4509
NSN 6145-00-813-6157