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 5925-00-932-3027
NSN 5915-01-359-4847
NSN 6320-00-107-1591
NSN 6650-00-760-1385
NSN 7035-00-206-6123
NSN 4140-01-477-5472
NSN 2925-00-290-7052
NSN 5835-01-315-2745
NSN 5855-01-068-3683
NSN 6110-00-482-3372
NSN 6650-01-596-8627
NSN 5975-00-958-9713