A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5835-00-286-5432
NSN 5999-01-269-5057
NSN 6150-00-558-5508
NSN 5999-01-182-2808
NSN 5990-01-414-7618
NSN 5965-01-593-5607
NSN 5998-01-648-1700
NSN 5996-01-195-9663
NSN 6135-01-132-6310
NSN 5895-01-472-1360
NSN 5950-00-294-9554
NSN 5905-01-341-8420