No flapper
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 4140-01-503-4542
NSN 5835-01-485-0210
NSN 5920-01-443-3771
NSN 5920-00-994-0558
NSN 5915-01-508-4199
NSN 5895-00-145-7780
NSN 6110-00-828-7117
NSN 5835-00-373-2671
NSN 5945-01-055-5091
NSN 6150-00-072-5973
NSN 5920-01-219-8792
NSN 5835-00-816-0394