Ssr name is sight glass
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 5960-00-533-1125
NSN 5915-01-095-4853
NSN 6685-01-017-3046
NSN 6110-01-248-9126
NSN 6110-01-219-9926
NSN 5950-01-550-8548
NSN 6105-01-629-8696
NSN 4140-00-122-6422
NSN 6685-01-161-5025
NSN 6110-01-384-7250
NSN 5935-01-437-7620
NSN 6110-00-733-8686