Hardness critical items (hci) or hardness critical processes (hcp);
NSN 5855-01-042-7990
NSN 6145-00-542-3987
NSN 6320-01-384-3850
NSN 5920-01-655-4019
NSN 5975-00-142-2450
NSN 5996-01-119-2720
NSN 5835-01-004-8997
NSN 5915-01-322-6245
NSN 6320-01-352-5653
NSN 6145-01-136-7177
NSN 5930-01-470-1863
NSN 5990-00-263-1289
Last Updated: 07/28/2025