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 5990-00-915-1295
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NSN 5960-01-491-9916
NSN 6320-01-607-1491
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NSN 6685-00-102-4803
NSN 6145-00-492-7963
NSN 6240-01-573-7036
NSN 6135-00-635-9187
NSN 5905-00-170-1684
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NSN 6145-01-567-1952