Critical hardness
NSN 5945-01-145-3179
NSN 5925-00-087-9946
NSN 5920-01-462-2517
NSN 6105-00-553-8943
NSN 4140-00-189-0235
NSN 5855-00-951-6483
NSN 6620-01-371-1655
NSN 5975-01-659-1180
NSN 6685-00-830-3321
NSN 6150-00-911-4769
NSN 6610-01-445-7120
NSN 5920-01-068-1483
Last Updated: 09/25/2024