Critical hardness
NSN 6610-01-235-5566
NSN 5915-01-441-2238
NSN 5835-01-216-1215
NSN 6645-00-963-6354
NSN 5990-01-248-8222
NSN 6150-01-272-0096
NSN 6135-00-168-3876
NSN 5925-01-469-5795
NSN 6610-01-582-3547
NSN 6320-01-113-7647
NSN 5998-01-498-3983
NSN 5835-00-827-1904
Last Updated: 05/02/2025