659
659, a research reactor (critical assembly) in Nizhny Novgorod, Russia, with 100 W of thermal power, operated by Experimental Mechanical Engineering Design Bureau (OKBM). Operating, first critical in 1963.
It is one of the 57 research reactors operating in Russia. It went critical 17 years after the first research reactor in Russia, F-1 (1946). It is one of 44 critical assemblies operating worldwide, spread across 12 countries. Its declared uses include teaching and training.
- Country
- Russia
- City
- Nizhny Novgorod
- Type
- Critical assembly
- Thermal power
- 100 W
- Operator
- Experimental Mechanical Engineering Design Bureau (OKBM)
- Status
- Operating
- First criticality
- 1963
- Purpose
- Teaching, training
See also: every research reactor in Russia · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026