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 4140-00-776-8237
NSN 6105-01-297-6967
NSN 5935-01-157-9615
NSN 6135-00-078-9931
NSN 5990-01-507-7495
NSN 5915-01-371-2906
NSN 5999-00-389-6251
NSN 5925-00-413-1210
NSN 5950-00-996-7564
NSN 5935-00-367-7625
NSN 6240-01-524-3436
NSN 6320-00-393-0138