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 6150-01-563-1985
NSN 5920-01-601-2048
NSN 5985-01-406-0281
NSN 6150-01-574-0789
NSN 5990-01-303-6110
NSN 6145-00-786-1172
NSN 6620-01-310-6653
NSN 7035-01-632-7859
NSN 6645-00-143-1567
NSN 6320-01-201-2776
NSN 6685-00-313-9239
NSN 4140-00-654-9146