6610-00-618-6192 (PST750L)
NSN 6610-00-618-6192 (NIIN 00-618-6192) is a pitot tube in Federal Supply Class 6610, Flight Instruments — a device used to measure the total pressure of a fluid stream. Manufacturer part number PST750L (Aero-Instruments Co., LLC, CAGE 70134); also referenced as HS4004 (Ari Industries Inc).
Key specs: AC heating element current type; 400 heating element frequency in hertz; full characteristics table below. NIIN assigned January 1963; unit of issue EA (each), $495.23 gov standard price; export Schedule B 9014.90.0000.