A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6645-01-005-8622
NSN 5835-00-389-2816
NSN 5895-01-552-9402
NSN 5999-00-734-4686
NSN 5915-01-607-0298
NSN 6620-00-453-4537
NSN 5996-01-576-9852
NSN 6110-01-578-7369
NSN 6610-01-561-4139
NSN 6145-00-180-9815
NSN 5835-00-334-6556
NSN 6320-01-138-0442