A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5945-00-185-4815
NSN 5945-01-564-0724
NSN 6240-01-240-1596
NSN 6650-00-569-1762
NSN 5835-01-286-6499
NSN 6620-01-659-8887
NSN 5930-01-207-2721
NSN 5965-00-888-2643
NSN 6135-00-009-4100
NSN 6610-00-618-6192
NSN 5999-01-659-5514
NSN 5935-01-116-5501