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 5985-01-566-4502
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NSN 5999-00-418-0068
NSN 5895-01-102-3332
NSN 6110-01-209-2960
NSN 5910-00-433-6534
NSN 6685-01-095-5554
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NSN 5835-01-013-9321