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 5855-01-063-6340
NSN 5975-00-945-3673
NSN 6685-01-161-9677
NSN 5990-00-674-2318
NSN 6150-00-269-5017
NSN 5920-01-169-4560
NSN 6110-01-501-1478
NSN 5915-00-428-7176
NSN 5930-01-492-6505
NSN 5960-01-649-1341
NSN 6650-01-530-0589
NSN 5905-01-512-4411