A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5835-01-446-6065
NSN 5945-01-322-7112
NSN 5999-01-423-8852
NSN 5925-00-858-7151
NSN 5895-01-408-6020
NSN 5915-00-493-0494
NSN 5985-01-512-9020
NSN 5998-00-733-0015
NSN 6110-01-136-5026
NSN 6135-01-420-0341
NSN 5920-01-104-6198
NSN 5998-01-360-7144