A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5965-01-063-7894
NSN 5965-01-508-9695
NSN 6620-01-311-3516
NSN 6105-01-381-7242
NSN 5935-01-046-2044
NSN 5920-01-634-0250
NSN 5855-01-453-1549
NSN 5895-01-179-7021
NSN 5950-00-725-5865
NSN 2925-01-244-3016
NSN 6650-01-250-8701
NSN 2925-01-633-4048