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 6220-00-758-8184
NSN 5895-01-590-5971
NSN 5965-00-185-9687
NSN 5975-00-179-0302
NSN 6320-00-330-4327
NSN 6240-01-130-7854
NSN 5985-01-440-4569
NSN 6320-01-578-6006
NSN 5920-00-043-0004
NSN 6135-00-309-0074
NSN 6105-01-302-9705
NSN 5950-00-928-2204