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 6240-00-120-0140
NSN 6610-00-886-3652
NSN 6610-00-225-9886
NSN 4140-00-067-7460
NSN 6240-00-729-9696
NSN 6105-00-756-7791
NSN 5920-01-246-5678
NSN 5950-01-539-9576
NSN 5935-00-362-2298
NSN 6685-01-245-1870
NSN 4140-00-106-6780
NSN 5925-01-547-4304