Critical hardness
NSN 5915-00-084-4303
NSN 6135-01-100-3593
NSN 6130-01-565-6721
NSN 5990-00-186-2445
NSN 5930-01-570-5537
NSN 5910-01-030-0478
NSN 5998-01-165-5452
NSN 5935-00-368-2947
NSN 6645-01-090-8875
NSN 5835-01-216-1215
NSN 6620-00-611-9935
NSN 6620-01-421-3917
Last Updated: 02/19/2025