A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6110-00-632-0229
NSN 6645-00-489-3155
NSN 6650-00-665-3658
NSN 5905-01-358-0285
NSN 5930-00-614-7498
NSN 6110-00-961-5204
NSN 2925-01-359-4027
NSN 6105-01-379-5759
NSN 5945-00-759-1580
NSN 5920-01-158-4133
NSN 6645-01-108-6333
NSN 6145-01-463-8229