6625-01-292-7587 (OPT RK-316 6620OPTRK316)
NSN 6625-01-292-7587 (NIIN 01-292-7587) is a phasemeter in Federal Supply Class 6625, Electrical And Electronic Properties Measuring And Testing Instruments — an item that indicates in electrical degrees the displacement between two or more wave forms. Manufacturer part number OPT RK-316 6620OPTRK316; also referenced as 6620 OPT RK-316 (Krohn-Hite Corp).
Key specs: 120 AC nominal and 240 AC nominal operating voltage in volts; full characteristics table below. NIIN assigned January 1989; DEMIL A (none required); export Schedule B 9030.90.8030.