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 4140-00-740-2153
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NSN 5975-00-249-1685
NSN 5950-01-099-7324
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NSN 6135-01-461-2567
NSN 6320-01-544-6447
NSN 6610-01-044-4740
NSN 6650-00-801-8298
NSN 7035-01-379-2916
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NSN 2925-00-516-8841