A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5920-00-959-5664
NSN 5915-01-451-7248
NSN 6110-01-024-2899
NSN 6220-01-504-5517
NSN 5935-01-221-3401
NSN 5945-00-843-5199
NSN 6130-01-440-9144
NSN 7035-01-582-2242
NSN 6105-00-073-4424
NSN 5915-01-605-2203
NSN 5950-00-891-9554
NSN 5990-01-608-9271