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 5920-00-740-3121
NSN 5935-01-292-5225
NSN 6135-01-246-0308
NSN 5935-01-448-9844
NSN 6135-00-246-0324
NSN 5935-01-544-6780
NSN 5950-01-033-3950
NSN 5920-01-260-2300
NSN 6645-01-235-9465
NSN 5985-01-381-6341
NSN 5895-00-179-8608
NSN 6220-01-421-5912