A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5975-00-271-0420
NSN 6240-00-567-4795
NSN 5935-01-466-8326
NSN 6110-01-542-3191
NSN 5945-01-415-8353
NSN 6135-01-571-7488
NSN 5998-01-573-1162
NSN 6145-01-432-0088
NSN 5945-01-343-9283
NSN 5985-01-573-8353
NSN 5975-01-481-3328
NSN 5935-01-063-5075