An item which by rising and descending within a gage tube indicates the level of a liquid in a reservoir.
NSN 6105-01-523-1332
NSN 5950-01-630-3193
NSN 6685-01-302-9728
NSN 6110-01-418-7761
NSN 6620-01-467-2111
NSN 5985-01-584-5374
NSN 2925-01-618-5706
NSN 6685-01-420-2478
NSN 5950-01-611-0377
NSN 5835-00-905-7165
NSN 6645-01-434-2648
NSN 6150-00-565-6950