6685-00-244-0802 (N15-A-7-15-0)
NSN 6685-00-244-0802 (NIIN 00-244-0802) is a self-indicating thermometer in Federal Supply Class 6685, Pressure, Temperature, And Humidity Measuring And Controlling Instruments — an item that has confined liquid whose physical property(ies) changes with variation in temperature and indicates the temperature to a division or number. Manufacturer part number N15-A-7-15-0 (Ashcroft Inc, CAGE 049X3); also referenced as GGT321 (Federal Specifications Promulgated).
Key specs: lens magnifying front, lens magnifying front, expansion chamberexpansion chamber; 2 deg2 deg scale accuracy; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $29.70 gov standard price; export Schedule B 9025.11.4000; ships at 0.75 lb / 0.08 cu ft.