

MIL-PRF-23699G Grade HTS,SAE AS5780D Grade SPC,DEF STAN 91-101 (British) equivalent, COMAC QPL-CMS-OL-202,DCSEA 299/A (French) equivalent,VNII NP 50-1-4F, B3V, LZ-240, VNII NP 50-1-4U and 36/Ku- A (Russian) analogue, NATO Code O-154, Joint Service Designation OX-27 equivalent, Pratt & Whitney 521C Type II, General Electric D-50 TF 1,Allison EMS - 53 (Obsolete),Rolls-Royce: Model 250, BR 710, RB211 series, Tay, Spey, Tyne, Avon, RB199,Safran Helicopter Engines: MTR390, Astazou, Arrius, Artouste, Astazou, Arrius, APU , Honeywell: All APUs for 5cSt oils, Pratt & Whitney: APS Series for 5cSt oils, PW 901, PW980, CFM: CFM56 & LEAP series, Engine Alliance: GP7200 series, GE: CF34, CF6, GE90, GEnx, GE9X, Passport, H series, Catalyst, CF 700, Honeywell: CFE738, ALF502, LF507, TPE331, CTS800 IAE : V2500 Series, Pratt & Whitney, Canada: JT15, PT6, PW110, 120, 200, 300 series, Pratt & Whitney: JT3C, JT8D, JT9D, PW4000, PW6000 and PW2000 (for in-service evaluation)