VNII NP 50-1-4U TurboSHT-32 grade
This oil is used in gas-turbine engines of Sukhoi (Su), Mikoyan (Mig), Tupolev (TU), Ilushin (Il), Yakovlev (Yak) and Antonov (An) military and civil aircraft and in the turbo-compressor unit of Mi-26 helicopters power-plant assemblies, as well as in aircraft gas-turbine engines of gas-compressing plants.
VNII NP 50-1-4F
This oil is approved for use in the Il-96-300, Tu-204, Tu-214, Tu-334, Yak-42, An-74 and An-124 ‘Ruslan’ civil aircraft; Su-27, Su -30, An-72, MiG-31, MiG -21, MiG -23, MiG -27, Su -15, Su -17, Su -20, Su -24, Su –25 and Tu-22 military aircraft; Mi-26 helicopters and in all types of the aircraft air-conditioning systems cooling turbines.
This oil is used in the military and civil aircraft gas-turbine engines and in aircraft cooling turbines.