A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6645-00-538-2904
NSN 6110-01-385-4365
NSN 6145-01-144-1063
NSN 6685-00-862-5131
NSN 6220-00-289-9915
NSN 5960-01-563-0020
NSN 5965-01-064-7496
NSN 6105-01-341-0685
NSN 6145-01-545-2515
NSN 6105-01-634-0322
NSN 5965-01-278-2107
NSN 5950-01-567-2058