Critical hardness
NSN 7035-00-155-9513
NSN 6620-00-038-5343
NSN 6620-01-281-6386
NSN 5950-01-172-4307
NSN 5975-01-214-2735
NSN 6130-00-050-4603
NSN 6220-01-509-9943
NSN 5835-01-158-6878
NSN 5960-00-036-8187
NSN 5990-01-100-1840
NSN 5910-01-415-3108
NSN 5998-01-331-4066
Last Updated: 04/30/2025