Critical hardness
NSN 5920-00-237-4759
NSN 6650-00-622-4405
NSN 5930-01-396-5442
NSN 5835-00-231-9544
NSN 6240-01-416-3713
NSN 6220-01-100-2703
NSN 5930-00-914-2672
NSN 6650-01-633-9147
NSN 6620-01-232-8550
NSN 5960-01-069-2009
NSN 5965-00-892-3850
NSN 6240-00-994-4056
Last Updated: 01/05/2025