Casehardened .001-.004 depth and draw to rockwell c scale 55 to 60
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 6110-00-840-6560
NSN 6130-01-560-2046
NSN 5855-00-610-4052
NSN 6150-00-596-9882
NSN 5920-01-236-5397
NSN 5910-01-633-8652
NSN 6145-00-686-8651
NSN 6650-00-977-7533
NSN 5998-01-602-8053
NSN 5960-01-168-5010
NSN 5930-01-298-1827
NSN 6145-01-037-4721