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 5950-00-594-9172
NSN 5998-00-131-2760
NSN 5935-01-423-5828
NSN 5965-01-230-2350
NSN 6220-00-068-1000
NSN 2925-00-510-0760
NSN 4140-01-056-4453
NSN 5965-01-262-3513
NSN 6130-00-193-8962
NSN 6610-01-462-5211
NSN 6220-00-187-0649
NSN 6240-01-607-1480