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 5996-01-253-8676
NSN 5920-01-087-5753
NSN 5835-01-086-6999
NSN 5950-01-559-8954
NSN 5930-01-344-2408
NSN 5996-01-388-7618
NSN 4140-00-933-9401
NSN 5996-01-487-3733
NSN 6110-01-267-0613
NSN 4140-01-231-5031
NSN 6220-01-560-8821
NSN 5950-01-433-2289