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 6135-01-355-8917
NSN 5950-01-225-1925
NSN 6130-01-440-9008
NSN 6105-01-157-3033
NSN 6645-00-171-9251
NSN 5895-01-299-2417
NSN 5996-01-523-8746
NSN 5996-01-652-4042
NSN 6110-01-427-9277
NSN 5945-00-914-1399
NSN 5965-01-319-5363
NSN 5950-01-381-5610