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 6650-00-011-0776
NSN 6620-01-381-5482
NSN 6220-01-620-2918
NSN 5930-01-259-8799
NSN 2925-01-151-6969
NSN 5996-01-351-1558
NSN 5935-01-365-0489
NSN 5915-00-540-8350
NSN 6220-00-548-1999
NSN 6135-01-101-5039
NSN 5905-01-036-3548
NSN 6620-01-308-0860