Critical hardness
NSN 6650-01-350-2515
NSN 6130-01-043-4066
NSN 6645-00-494-3065
NSN 6145-01-206-3539
NSN 5996-01-452-5603
NSN 5915-01-566-7954
NSN 5905-01-580-7999
NSN 6610-01-301-9457
NSN 5895-01-108-6734
NSN 5998-01-037-0385
NSN 5835-01-291-5405
NSN 5910-01-388-8220
Last Updated: 02/16/2025