Critical hardness
NSN 6645-01-650-1860
NSN 6610-01-300-4537
NSN 5855-01-380-5102
NSN 5910-01-049-2799
NSN 5925-01-073-9736
NSN 6620-01-605-2590
NSN 6130-01-583-7576
NSN 5895-01-203-6682
NSN 5998-00-035-5308
NSN 2925-01-521-0600
NSN 5998-01-227-3600
NSN 4140-00-787-1315
Last Updated: 04/29/2024