An item which by rising and descending within a gage tube indicates the level of a liquid in a reservoir.
NSN 5925-01-526-2017
NSN 5960-01-523-9098
NSN 5935-01-138-2850
NSN 5999-01-422-1676
NSN 6105-00-982-4723
NSN 5998-01-014-6521
NSN 5920-00-554-0437
NSN 6150-01-224-6018
NSN 5835-01-257-5342
NSN 5910-01-243-3293
NSN 6610-00-213-8544
NSN 5950-01-634-0677