A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6645-01-322-8897
NSN 6645-01-633-1852
NSN 6150-01-215-1149
NSN 5855-00-235-2676
NSN 5920-01-258-3664
NSN 5950-00-635-4965
NSN 5998-01-343-6206
NSN 5910-00-483-0565
NSN 5895-00-444-0139
NSN 6105-00-844-1267
NSN 5920-01-424-1708
NSN 5930-01-215-3505