An item which by rising and descending within a gage tube indicates the level of a liquid in a reservoir.
NSN 5999-01-240-8246
NSN 6320-00-790-4844
NSN 6135-00-299-6918
NSN 6130-00-726-5890
NSN 5855-01-593-3985
NSN 5998-00-273-3980
NSN 5985-00-698-9571
NSN 5910-01-170-4002
NSN 6135-01-113-1507
NSN 6105-01-263-0131
NSN 6320-01-021-6633
NSN 7035-00-371-7749