(TOR 38 with changes 1,2)
The oil VNIINP-5-1-4u is a high-quality synthetic ether oil. It contains more effective composition of additives, than a VNIINP-50-1-4f (GOST 13076-86).
The oil VNIINP-50-1-4f is a synthetic ether oil with the additives raising wear-protective properties and thermo oxidizing stability. It is applied in aviation turbojets of planes, at which oil temperature on an exit from the engine to 175 °С (planes of civil aircraft Il-96-300, Tu-204, Yak-42, An-74, An-124 «Ruslan», planes of military aircraft An-72, MiG-21, MiG-23, MiG-27, Su-15, Su-17, Su-20, Su-24, Su-25, Su-27, Su-22, helicopters Mi-26).
The oil VNIINP-50-1-4f is used in cooling turbines system central airs LA, and also in aviation gas-turbine engines of gas transporting units.