A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5975-01-303-2166
NSN 5935-01-066-3834
NSN 5985-00-553-7103
NSN 5910-01-607-0879
NSN 5935-00-170-5033
NSN 5998-01-042-2530
NSN 5835-01-004-8997
NSN 5965-01-344-8592
NSN 6105-01-432-2249
NSN 5835-01-363-4527
NSN 5905-01-013-5428
NSN 6220-01-612-4460