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 6130-00-541-8468
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NSN 6650-01-558-4713
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NSN 5910-01-245-4073
NSN 5990-01-446-9118
NSN 5835-01-593-7579
NSN 5905-01-525-7097
NSN 6685-00-111-4172
NSN 5998-01-388-6285