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 6620-01-578-7561
NSN 5998-00-654-5278
NSN 5965-00-529-0602
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NSN 5930-01-502-9904
NSN 5975-00-009-8718
NSN 6650-01-378-6868
NSN 4140-01-181-3213
NSN 6650-00-451-1088
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NSN 5975-00-725-5109