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 6620-01-537-1813
NSN 6130-01-020-8186
NSN 5915-01-546-2219
NSN 6685-01-529-6504
NSN 5920-01-510-9921
NSN 6650-00-484-3616
NSN 6610-00-935-7131
NSN 4140-01-381-0099
NSN 5996-01-450-5021
NSN 5855-01-360-6650
NSN 6610-00-944-2925
NSN 6620-01-598-2271