A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5950-01-398-7210
NSN 5895-01-486-7717
NSN 5905-01-354-7065
NSN 6130-01-146-0861
NSN 5920-01-048-0766
NSN 5915-00-905-1008
NSN 6105-01-098-1162
NSN 6130-00-101-0566
NSN 6110-00-108-6478
NSN 6145-00-224-0419
NSN 5996-00-927-9922
NSN 6320-00-593-0379