An item which by rising and descending within a gage tube indicates the level of a liquid in a reservoir.
NSN 6105-01-106-3221
NSN 5996-00-701-9550
NSN 5960-01-495-0859
NSN 5835-00-523-0736
NSN 5975-01-400-0627
NSN 5935-01-082-3899
NSN 5975-00-900-5000
NSN 5975-00-961-2556
NSN 5855-01-580-6760
NSN 6220-01-178-4652
NSN 5990-01-348-9843
NSN 6645-01-280-5395