A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6240-00-267-7428
NSN 5930-00-370-1330
NSN 5935-01-067-3159
NSN 6320-01-103-6218
NSN 6105-01-357-6320
NSN 5965-00-156-8562
NSN 5965-01-597-6295
NSN 5935-01-433-1512
NSN 5998-01-586-9983
NSN 5855-01-197-2774
NSN 5910-01-442-8240
NSN 6110-01-386-4055