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 5920-01-441-1935
NSN 6620-01-512-1338
NSN 5855-01-406-4821
NSN 6320-00-809-5744
NSN 5960-01-063-2009
NSN 6620-00-008-3280
NSN 4140-01-451-4180
NSN 6110-01-025-1286
NSN 5975-00-636-4910
NSN 6110-01-360-8911
NSN 5905-00-740-8205
NSN 5920-01-196-0933