6685-01-577-2055 (RL2006062)
NSN 6685-01-577-2055 (NIIN 01-577-2055) is a flow control thermostat in Federal Supply Class 6685, Pressure, Temperature, And Humidity Measuring And Controlling Instruments — an automatic regulating device which controls the flow of fluids or gases by actuating a valve or shutter for heating or cooling purposes. Manufacturer part number RL2006062 (Insinger Machine Co, CAGE 30793); also referenced as T/M RL-30 SECT 03 PG23 POS.3 (Insinger Machine Co).
Key specs: 140 °F nominal operating range; full characteristics table below. NIIN assigned August 2009; DEMIL A (none required); ESD/EMI-sensitive; unit of issue EA (each), $88.79 gov standard price; ships at 0.2 lb / 0.0347 cu ft.