Critical hardness
NSN 5920-00-233-8690
NSN 5925-00-828-5304
NSN 6650-00-078-5773
NSN 5935-01-078-4555
NSN 5990-01-552-5386
NSN 5935-01-334-1073
NSN 5965-01-354-9834
NSN 5895-00-550-1113
NSN 6220-00-703-1334
NSN 5910-01-342-2166
NSN 5960-00-315-0358
NSN 6220-01-410-8488
Last Updated: 03/09/2025