A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 2925-00-790-6949
NSN 5915-00-141-0410
NSN 2925-01-267-1598
NSN 5950-01-074-7523
NSN 5925-00-936-1628
NSN 5965-01-109-2917
NSN 6150-00-112-2458
NSN 6105-00-103-6750
NSN 5855-00-151-3853
NSN 5920-00-499-2458
NSN 5990-01-504-9265
NSN 5975-01-634-0678