A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6685-00-538-8656
NSN 6135-01-010-0891
NSN 5895-00-147-7034
NSN 6105-00-941-2931
NSN 6130-01-010-6094
NSN 5975-01-521-8706
NSN 5920-01-342-5883
NSN 5910-01-492-4749
NSN 5855-01-543-4274
NSN 5935-01-345-6360
NSN 7035-01-442-7947
NSN 6650-01-282-3025