A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5920-01-472-2966
NSN 6650-00-952-4500
NSN 2925-01-607-7754
NSN 5835-01-521-4979
NSN 6130-01-587-7610
NSN 5910-01-462-2195
NSN 6220-00-038-7532
NSN 4140-00-277-4184
NSN 6685-01-217-0284
NSN 5835-00-023-0780
NSN 5835-01-468-4210
NSN 5895-00-874-3446