A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 4140-01-016-3143
NSN 6105-01-083-3787
NSN 6320-01-476-7702
NSN 5945-00-592-9009
NSN 6130-01-144-8642
NSN 6610-01-200-6861
NSN 5965-00-089-8308
NSN 6650-00-111-1081
NSN 5925-01-467-9910
NSN 5925-01-502-6475
NSN 6105-01-484-6790
NSN 5855-00-763-2155