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 6150-01-017-5111
NSN 6650-01-009-5188
NSN 5945-01-419-3206
NSN 5925-00-401-6274
NSN 6220-01-278-9822
NSN 6685-01-603-7013
NSN 6110-00-994-1194
NSN 6105-00-844-9631
NSN 5945-01-095-4532
NSN 5920-00-221-8377
NSN 7035-00-887-4674
NSN 6150-00-382-0033