VNII NP-50-1-4u
TY 38.401-58-12-91
High quality synthetic diether oil.
Its additives package is more effective than the additive package of VNII NP-50-1-4f, which allows to increase thermo-oxidative stability to 200°C with overheating up to 225°C, at the same time it doesn’t lose the low-temperature characteristics (can be used at the temperature as low as – 60°C) and other operational characteristics.
The oil is compatible with VNII NP 50-1-4f in all respects, doesn’t require rubber and structural material replacement and can be applied in perspective engineering. Major use in military engineering.
Highly recommended for perspective engineering.
The oil VNII NP 50-1-4u successfully passed technical testings, including flight testing, which showed that usage of this oil instead of “f” oil allows to increase its working life, the oil mustn’t be changed during the engine working period.
The oil is used in turbojet engines of civil aircraft (Il-96-300, Tu-204, Yak-42, An-74, “Ruslan”), military aircraft (MiG-23, MiG – 27, MiG – 29, An - 72) and helicopters Mi-26.
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