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 5905-01-630-0627
NSN 6685-00-189-8639
NSN 5999-01-340-9275
NSN 6220-01-364-3000
NSN 5925-00-617-2031
NSN 6130-00-932-6580
NSN 5950-01-386-5845
NSN 4140-01-054-3553
NSN 6320-00-583-3105
NSN 6135-01-633-8502
NSN 5910-00-282-6921
NSN 6645-01-520-6563