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 6110-01-104-3082
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NSN 5975-00-726-0140
NSN 5998-00-596-9568
NSN 2925-01-519-6726
NSN 5990-01-605-4769
NSN 6110-00-804-4830
NSN 6620-01-431-0706