Critical hardness
NSN 5925-01-339-2078
NSN 6620-01-383-1997
NSN 6320-00-908-6841
NSN 5950-01-444-7637
NSN 6320-01-064-0372
NSN 2925-01-359-9818
NSN 5930-00-420-7650
NSN 5915-00-612-7461
NSN 6145-01-362-3374
NSN 5990-00-832-2557
NSN 5910-01-353-6127
NSN 6220-00-160-9372
Last Updated: 02/07/2025