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 6620-01-375-6741
NSN 5996-01-627-7593
NSN 5910-00-490-5078
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NSN 5998-01-641-1264
NSN 5930-01-634-0659
NSN 6645-01-418-1657
NSN 6620-01-187-7267
NSN 6685-01-465-4601
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NSN 6620-01-412-0938