Astm d2146, type i-11001; black
An item which by rising and descending within a gage tube indicates the level of a liquid in a reservoir.
NSN 6645-00-519-1026
NSN 6150-01-364-7418
NSN 5998-01-049-7272
NSN 5915-00-681-6299
NSN 5905-01-420-6349
NSN 5935-01-341-4770
NSN 5910-00-196-0608
NSN 6240-01-493-5430
NSN 5960-00-552-1940
NSN 5920-01-206-3977
NSN 6620-01-222-2063
NSN 5990-01-443-2931