A part, assembly, or system identified as essential to weapon system performance or operation to preserve life and safety of personnel
NSN 5950-01-462-5170
NSN 6320-00-174-1362
NSN 6240-01-389-4457
NSN 5855-01-618-9749
NSN 6145-00-246-9776
NSN 7035-00-337-8745
NSN 5835-01-047-6697
NSN 6110-01-044-0230
NSN 6105-01-477-2857
NSN 5915-01-011-1190
NSN 6130-01-378-5390
NSN 5905-00-905-6311