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 6620-00-444-6972
NSN 6685-01-607-3574
NSN 5905-01-099-4954
NSN 2925-01-368-5773
NSN 5925-01-599-8670
NSN 5920-00-199-8338
NSN 5999-00-199-6221
NSN 6220-00-408-6182
NSN 6110-01-255-3354
NSN 6150-00-088-1717
NSN 5895-01-478-2252
NSN 5945-00-816-0882