Critical hardness
NSN 5935-00-262-3279
NSN 6220-01-648-7012
NSN 6685-01-182-2894
NSN 5905-01-054-5102
NSN 5950-01-158-5637
NSN 5925-00-154-8174
NSN 6135-00-027-3914
NSN 2925-01-218-5556
NSN 6240-01-168-6185
NSN 5930-01-204-1691
NSN 5895-00-596-8678
NSN 6240-01-358-9980
Last Updated: 01/17/2025