A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5855-01-590-5087
NSN 6620-01-322-8382
NSN 5950-00-644-5727
NSN 5915-01-079-9014
NSN 5925-00-535-4120
NSN 5925-00-517-8512
NSN 6145-01-317-2686
NSN 5935-00-756-9632
NSN 5975-01-349-1798
NSN 6130-00-285-8119
NSN 5855-01-286-9928
NSN 5985-01-585-9396