A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5915-00-492-1474
NSN 5895-01-222-7259
NSN 5945-01-116-2129
NSN 6135-01-561-5945
NSN 5855-00-548-4742
NSN 5935-01-561-4153
NSN 5996-00-281-4500
NSN 5996-01-008-4456
NSN 5999-00-867-1447
NSN 5996-01-121-0113
NSN 5985-00-431-6789
NSN 6240-01-354-2626