A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5905-01-572-0269
NSN 6135-01-068-0119
NSN 6610-01-330-4903
NSN 6145-01-481-1094
NSN 5835-01-528-1864
NSN 6150-01-303-9450
NSN 6145-01-280-9452
NSN 6145-01-579-3510
NSN 6110-01-005-5140
NSN 5975-01-472-2090
NSN 6150-01-089-5187
NSN 5925-01-459-7882