A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6645-00-114-2678
NSN 6610-01-221-2606
NSN 5965-00-665-2156
NSN 5985-01-486-4071
NSN 5855-01-551-7923
NSN 5985-01-406-8707
NSN 5855-01-461-9207
NSN 5905-01-201-9160
NSN 6130-01-508-3664
NSN 5999-00-281-1021
NSN 5945-01-184-2470
NSN 5985-00-840-4635