Critical hardness
NSN 6220-01-519-4254
NSN 6610-01-511-0982
NSN 5990-01-224-8052
NSN 5910-01-392-7821
NSN 2925-01-368-5773
NSN 5920-00-284-7780
NSN 5998-01-167-7190
NSN 5965-01-392-9343
NSN 5935-01-441-5771
NSN 5965-01-124-1817
NSN 5930-00-155-5917
NSN 5915-00-244-4210
Last Updated: 03/07/2025