A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6650-00-944-1399
NSN 5895-01-108-9811
NSN 6240-00-079-7852
NSN 5945-01-350-3582
NSN 5835-00-233-6327
NSN 5910-00-402-6755
NSN 6645-00-799-4175
NSN 5965-00-246-5612
NSN 6685-01-044-9505
NSN 6240-00-789-3370
NSN 6110-00-635-3900
NSN 6685-00-959-4089