A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5920-00-373-3636
NSN 7035-01-058-5668
NSN 5935-01-061-4919
NSN 5965-01-524-4979
NSN 6240-01-225-4671
NSN 6145-00-734-4554
NSN 6645-01-575-6955
NSN 6130-00-090-9563
NSN 5935-01-468-5264
NSN 5895-01-220-9517
NSN 5920-01-388-7293
NSN 6130-01-358-7703