A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5905-01-547-2683
NSN 5996-01-485-1424
NSN 6150-00-594-9051
NSN 5975-01-411-5382
NSN 6130-00-766-0813
NSN 6240-00-931-2395
NSN 6685-01-564-6631
NSN 6320-01-089-9086
NSN 5910-01-089-6155
NSN 4140-01-526-9136
NSN 5965-00-150-1144
NSN 5996-00-405-9093