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 6320-01-512-2031
NSN 6150-01-576-8658
NSN 5965-01-388-1379
NSN 5855-00-149-0766
NSN 5950-01-125-7455
NSN 6105-00-037-0130
NSN 7035-00-541-8516
NSN 6610-01-073-8526
NSN 6620-00-443-4694
NSN 6685-01-496-0537
NSN 6150-01-656-1158
NSN 2925-01-527-1207