A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6220-00-631-1734
NSN 6645-00-936-9111
NSN 5950-00-019-6464
NSN 6145-00-477-4986
NSN 5950-00-170-6790
NSN 6620-01-209-1472
NSN 5910-01-512-8782
NSN 5915-00-599-9162
NSN 6105-00-815-2901
NSN 6320-01-466-4175
NSN 6110-01-327-8417
NSN 5935-01-573-1535