Critical hardness
NSN 5905-01-045-2703
NSN 5950-01-337-8577
NSN 6610-01-579-2984
NSN 5998-00-205-8803
NSN 5998-00-362-6658
NSN 6145-01-148-7837
NSN 5960-01-488-5817
NSN 6320-00-422-9006
NSN 6685-01-522-9468
NSN 5835-00-198-4936
NSN 6685-00-817-5694
NSN 5998-00-133-2746
Last Updated: 02/08/2025