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 5950-01-414-6930
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NSN 6610-01-417-6336
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NSN 5990-01-386-5561
NSN 5999-01-538-5990
NSN 6135-01-487-6275
NSN 6135-00-738-5571
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NSN 6145-01-535-7062