W/port seal caps
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 6110-01-338-5317
NSN 6240-00-978-9752
NSN 6320-01-600-0787
NSN 6645-01-172-6838
NSN 5998-01-317-1457
NSN 5910-01-124-6069
NSN 6610-01-069-1156
NSN 5960-01-391-4701
NSN 6320-01-476-7702
NSN 6220-01-617-2666
NSN 6320-00-360-1744
NSN 5960-01-011-0568