Glass sight window.
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 6685-01-291-4864
NSN 6650-01-623-8016
NSN 5965-00-161-0094
NSN 4140-01-286-5632
NSN 5835-01-133-6485
NSN 4140-01-214-1911
NSN 5990-00-269-2226
NSN 5945-00-287-8022
NSN 5999-00-762-8738
NSN 5999-01-550-9796
NSN 6110-01-411-5687
NSN 5945-01-209-2403