Critical hardness
NSN 6685-01-449-1949
NSN 5945-01-634-0588
NSN 5960-01-547-6699
NSN 2925-01-025-0082
NSN 6135-01-643-9081
NSN 6610-00-760-9916
NSN 5930-01-071-9102
NSN 5950-00-209-9832
NSN 5910-00-966-9833
NSN 6645-00-922-8312
NSN 5915-01-301-4408
NSN 5915-01-603-0012
Last Updated: 01/17/2025