Drawing depicts hardness critical items (hci) or hardness critical processes (hcp). All changes to or proposed substitutions of hci-s or hcp-s must be evaluated for hardness impacts by the engineering activity responsible for survivability.
NSN 6645-00-739-6718
NSN 6645-01-371-1632
NSN 6240-00-603-6662
NSN 6110-00-838-0492
NSN 5930-01-513-2513
NSN 6145-01-513-9750
NSN 5930-01-123-0698
NSN 5855-00-149-0766
NSN 6645-00-543-6515
NSN 5895-00-957-4532
NSN 6240-01-650-5348
NSN 6105-01-227-3003
Last Updated: 05/02/2025