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 6220-00-978-3172
NSN 5999-01-019-2143
NSN 5920-01-509-1153
NSN 5985-01-259-4314
NSN 5965-01-119-1898
NSN 5895-01-222-2031
NSN 5950-00-470-7745
NSN 6240-01-138-6453
NSN 6145-01-316-9735
NSN 6135-01-226-4071
NSN 6320-01-564-0893
NSN 6650-00-894-8634