6685-01-340-6824 (9TP972A1002)
NSN 6685-01-340-6824 (NIIN 01-340-6824) is an indicating temperature control in Federal Supply Class 6685, Pressure, Temperature, And Humidity Measuring And Controlling Instruments — a device composed of one or more control-actuating mechanisms, one or more switchs, and graduated scales or other indicators. Manufacturer part number 9TP972A1002 (Ball Chemical Co, CAGE 51747).
Key specs: external power source; full characteristics table below. NIIN assigned June 1991; DEMIL A (none required); export Schedule B 9032.89.6040.