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 5925-00-456-0651
NSN 5935-00-759-0986
NSN 6645-01-529-8822
NSN 5945-01-258-5042
NSN 6105-00-142-5901
NSN 5960-01-560-1958
NSN 5999-01-295-7228
NSN 5895-01-138-9291
NSN 5920-01-207-9362
NSN 5960-00-185-8855
NSN 5905-01-630-5600
NSN 6620-01-397-8683