A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6220-01-132-8913
NSN 4140-00-210-0552
NSN 6135-00-505-0679
NSN 5930-01-449-4427
NSN 5920-01-513-5847
NSN 5905-01-327-0768
NSN 5910-01-437-8914
NSN 5999-01-316-2098
NSN 5999-01-374-6030
NSN 5895-00-891-0509
NSN 5930-00-132-1221
NSN 5965-01-119-8237