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 6135-00-248-4102
NSN 4140-01-412-6658
NSN 4140-01-176-5659
NSN 5835-01-020-5650
NSN 6150-01-017-4654
NSN 5950-01-438-0231
NSN 6240-00-627-1493
NSN 5960-00-355-7307
NSN 5920-00-011-4995
NSN 6240-01-462-4392
NSN 5855-00-821-7512
NSN 6135-00-985-7887