Critical hardness
NSN 6650-00-641-6139
NSN 5998-00-754-0663
NSN 5855-01-592-3128
NSN 5985-00-429-2037
NSN 5990-01-222-8570
NSN 5999-01-204-9321
NSN 6110-00-141-1966
NSN 5855-01-358-5253
NSN 2925-01-523-3607
NSN 5950-01-159-5602
NSN 6620-01-633-8443
NSN 5905-00-773-5181
Last Updated: 05/21/2024