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 6620-01-224-9007
NSN 5905-01-203-9511
NSN 5835-01-381-9565
NSN 6320-01-377-0033
NSN 5998-00-457-2355
NSN 6130-00-081-1039
NSN 5960-01-466-4153
NSN 5915-00-676-2056
NSN 6620-00-278-7313
NSN 5985-01-513-6656
NSN 5915-01-510-9763
NSN 5915-01-135-1277