A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6610-01-472-7748
NSN 5910-01-462-0127
NSN 6240-00-879-4980
NSN 5950-00-339-3658
NSN 5950-00-617-3505
NSN 5998-01-460-2284
NSN 5915-01-461-5595
NSN 6130-00-990-9023
NSN 6320-01-379-1182
NSN 6110-00-003-0360
NSN 5985-00-804-9005
NSN 5998-00-755-1528