A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5999-00-036-3713
NSN 6320-00-242-3300
NSN 6685-01-136-1500
NSN 6645-01-576-2691
NSN 5895-01-288-3412
NSN 6150-01-050-9811
NSN 5950-00-489-7743
NSN 5975-01-094-6250
NSN 5965-01-303-6105
NSN 6150-00-666-3635
NSN 6145-01-255-7477
NSN 6650-01-158-6577