A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5998-01-185-0059
NSN 5999-00-570-5530
NSN 7035-01-444-4240
NSN 5855-01-425-6340
NSN 5915-00-592-4125
NSN 5996-00-311-3041
NSN 6650-00-754-2276
NSN 5855-01-308-0955
NSN 5835-01-552-3153
NSN 5965-00-131-6700
NSN 5910-00-104-1555
NSN 6650-00-107-8509