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 5930-01-464-2917
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NSN 5935-01-028-9606
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NSN 6610-01-421-5367
NSN 5998-01-443-2552
NSN 5895-01-490-7447
NSN 6110-01-470-4622
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NSN 5945-01-111-8361