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 5945-01-290-0569
NSN 7035-01-012-5807
NSN 6150-00-120-2485
NSN 6240-00-784-2545
NSN 6220-00-260-1711
NSN 6620-01-573-1952
NSN 6610-01-169-6134
NSN 6645-01-422-1374
NSN 6150-00-768-9055
NSN 4140-01-242-2296
NSN 5950-01-504-6167
NSN 5945-01-570-7989