Critical hardness
NSN 6145-01-553-8655
NSN 6610-00-346-9613
NSN 6105-01-170-5420
NSN 6150-01-608-7274
NSN 5960-01-339-0008
NSN 5965-01-226-7077
NSN 5915-01-497-7013
NSN 5950-00-005-3245
NSN 6105-01-398-1066
NSN 6645-00-935-7046
NSN 6650-00-612-9648
NSN 6130-01-330-3648
Last Updated: 02/01/2025