A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5910-00-121-3954
NSN 5990-01-321-2997
NSN 5965-01-368-6740
NSN 6130-00-869-6405
NSN 6105-01-408-8932
NSN 6320-00-731-6134
NSN 5930-01-061-6034
NSN 6105-00-132-1570
NSN 5998-00-481-8350
NSN 5855-01-508-6917
NSN 5835-01-281-7281
NSN 5905-01-584-7013