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 6135-01-093-7426
NSN 5930-01-474-2451
NSN 5905-00-623-0616
NSN 6220-00-094-2919
NSN 6220-01-311-0196
NSN 5985-01-359-2108
NSN 5975-00-823-0979
NSN 6240-01-343-4322
NSN 5965-00-083-6486
NSN 6150-01-211-9794
NSN 5999-00-654-3304
NSN 4140-01-497-0266