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 5915-01-561-4967
NSN 5985-01-569-7081
NSN 5895-00-276-7916
NSN 6150-00-910-3934
NSN 5975-00-290-4285
NSN 6620-01-504-5756
NSN 5975-00-343-0370
NSN 6610-01-320-1144
NSN 5999-01-031-4916
NSN 5950-00-099-9612
NSN 6650-00-480-9135
NSN 6645-01-552-9447