A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5950-00-842-4566
NSN 5935-01-308-4447
NSN 6645-01-579-2898
NSN 6135-01-578-8642
NSN 5945-00-370-9477
NSN 6135-01-139-1700
NSN 5965-01-441-7946
NSN 5925-01-580-0279
NSN 5945-01-634-0588
NSN 6620-01-593-0817
NSN 6150-01-546-6615
NSN 5895-01-450-3837