An item so designed to have a portion or all of its body transparent to permit the visual examination of the amount of liquid in a pressure vessel, boiler, evaporator, still, processing tank, reservoir, pipe tubing line, and the like, and/or to determine the flow to a lubricated part. It may also be provided with an element that changes colors to indicate changes in moisture content. The item may have a means for refilling. Excludes indicator, liquid quantity and indicator, rate of flow.
Classification: Instruments and apparatus for measuring or checking the flow or level of liquids, nesoi
NSN 4140-01-446-7249
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NSN 7035-01-633-9537
NSN 6650-01-129-1175
NSN 5930-00-531-5465
NSN 6150-01-530-5038
NSN 7035-00-003-7518
NSN 5915-01-076-4538