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 6135-01-312-1040
NSN 6685-00-930-5258
NSN 5950-01-423-0082
NSN 5855-01-093-8202
NSN 6650-01-009-4281
NSN 6685-01-216-9453
NSN 5915-01-079-1450
NSN 6105-01-161-1452
NSN 6220-00-044-5917
NSN 5855-01-149-4110
NSN 7035-00-007-0584
NSN 6220-01-384-0571