Heat treat: (for 1085 or 1095 steel) heat at 1450 to 1500 degrees f; (for 1650 steel) heat at 1550 to 1600 degrees f; oil quench; temper 1 hour; locking feature included in head; rockwell min 73.0 to rockwell max 76.0 hardness.
NSN 6135-01-275-1363
NSN 5915-01-644-7770
NSN 5985-00-546-8948
NSN 5996-00-264-0710
NSN 5996-01-629-6223
NSN 5945-01-053-7876
NSN 5895-01-647-4887
NSN 6150-01-494-5741
NSN 5985-01-356-5911
NSN 6650-00-952-4500
NSN 7035-00-941-4949
NSN 6105-00-202-2469