6680-01-212-4319 (D2012-032)
NSN 6680-01-212-4319 (NIIN 01-212-4319) is a liquid sight indicator in Federal Supply Class 6680, Liquid And Gas Flow, Liquid Level, And Mechanical Motion Measuring Instruments — 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. Manufacturer part number D2012-032 (Clark-Reliance LLC, CAGE 95094); also referenced as 2012, 2012-032 (Clark-Reliance LLC).
Key specs: drain cock; full characteristics table below. NIIN assigned July 1985; DEMIL A (none required); unit of issue EA (each), $8,139.83 gov standard price; export Schedule B 9026.10.7000; ships at 9 lb / 1.8281 cu ft.