A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5965-01-399-8454
NSN 6645-00-392-8728
NSN 5985-01-518-0766
NSN 5905-01-386-6415
NSN 6620-01-514-2801
NSN 5945-00-081-1338
NSN 5930-01-412-1416
NSN 5920-01-186-7914
NSN 5960-01-082-4491
NSN 6240-01-268-0409
NSN 5975-01-147-6353
NSN 6110-01-334-1476