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 6105-00-844-9631
NSN 6220-01-306-0904
NSN 5895-01-474-6161
NSN 5985-01-517-0479
NSN 6240-01-599-9668
NSN 7035-01-265-0216
NSN 6130-01-562-1524
NSN 5985-00-505-7064
NSN 5905-01-471-7030
NSN 5985-00-221-1563
NSN 6130-01-420-6386
NSN 6105-01-212-0444