An item which by rising and descending within a gage tube indicates the level of a liquid in a reservoir.
NSN 5985-01-302-1357
NSN 5835-00-912-5656
NSN 6645-01-367-2581
NSN 6135-01-066-6904
NSN 5930-00-789-8637
NSN 5920-00-468-3074
NSN 6240-00-177-0385
NSN 5960-01-227-5245
NSN 5905-01-367-2526
NSN 5950-01-123-2141
NSN 7035-00-064-7008
NSN 6645-01-641-1575