A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 6650-00-536-5564
NSN 5835-01-254-8584
NSN 5999-01-462-4856
NSN 5920-00-209-0443
NSN 6685-01-450-5493
NSN 5935-01-512-2227
NSN 5920-00-144-8031
NSN 6320-00-823-2015
NSN 6320-00-343-1798
NSN 5996-01-480-3807
NSN 5835-01-485-0210
NSN 5920-01-246-4458