A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6320-00-857-4073
NSN 5950-01-349-7244
NSN 5835-00-034-4976
NSN 5855-01-098-9038
NSN 5985-01-317-2916
NSN 5985-00-168-4616
NSN 5930-01-406-4281
NSN 5835-01-566-5462
NSN 4140-01-052-7400
NSN 6320-01-270-1419
NSN 5895-01-239-7000
NSN 6645-01-106-4303