A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5935-01-494-9463
NSN 5998-01-558-2866
NSN 5990-01-414-2778
NSN 5910-01-612-7198
NSN 5925-01-284-2837
NSN 5920-01-656-2380
NSN 5905-00-657-4617
NSN 5975-00-644-4972
NSN 6105-01-149-0059
NSN 6240-01-170-7340
NSN 5895-01-394-4973
NSN 5920-00-689-9722