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 5975-01-550-3692
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NSN 5945-01-272-8904
NSN 6610-01-284-0009
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NSN 6610-01-078-5270
NSN 7035-01-521-3449
NSN 6645-01-164-7650
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NSN 5895-01-167-8781