A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6240-00-433-2707
NSN 6650-00-132-3827
NSN 5925-01-611-7618
NSN 6130-01-539-6572
NSN 6240-00-872-3365
NSN 6110-00-604-7753
NSN 6150-00-565-6950
NSN 5990-01-058-4826
NSN 5990-00-498-5934
NSN 6220-01-111-9730
NSN 5855-01-295-2313
NSN 6645-00-542-1734