Critical hardness
NSN 5910-01-422-1699
NSN 5920-01-634-0250
NSN 5835-01-506-0746
NSN 6240-01-454-9196
NSN 4140-00-495-8704
NSN 6320-01-388-3125
NSN 5975-01-406-3027
NSN 5905-00-850-0580
NSN 5835-01-036-4951
NSN 6110-00-816-7444
NSN 6240-01-114-8099
NSN 6320-00-937-5625
Last Updated: 02/19/2025