Description
U.S.: Approved MIL-PRF-23699G Grade HTS / Approved SAE AS5780D Grade SPC British: Equivalent DEF STAN 91-101 Grade OX-27 French: Equivalent DCSEA 299/A Russian: Analogue to VNII NP 50-1-4F, B3V, LZ-240, VNII NP 50-1-4U and 36/Ku-A NATO Code: O-154 Joint Service Designation: OX-27 COMAC: Approved QPL-CMS-OL-202 Pratt & Whitney: Approved 521C Type II General Electric: Approved D-50 TF 1 Allison: Approved EMS-53 (Obsolete) Honeywell: APU series: 131, GTCP 30, 36, 85 (except -99), 331 and 660; RE100, 220; HGT 400, 750 and 1700. Engine series: TPE 331, LTS 101, LTP 101, ALF 502, LF 507, AS907, AS977 CFM International: CFM 56 and LEAP series Collins Aerospace: All IDGs and VSFGs Engine Alliance: GP7200 General Electric: CF34, CF6, CJ610, CF700, GE90, GEnx, Passport IAE: V2500 Pratt and Whitney AeroPower (formerly Hamilton Sundstrand): APS 500, 1000, 2000, 3000 Pratt & Whitney: JT3D, JT8D, JT9D, PW4000 Series (cleared for flight evaluation in PW2000 engines), F117-PW-100 Pratt & Whitney Canada: Engine series: JT15D, PT6 Series, PW100 Series (except PW150), PW200 Series, PW300 Series, PW500 Series, PW600 Series. APU series: PW901A/C, PW980 Rolls-Royce: 250 Series, Avon, BR700 Series, Spey, Tay, Tyne, RB199, RB211 Series Safran Helicopter Engines (formerly Turbomeca): Ardiden, Arriel, Arrius, Arrius 1D, AST 600, Astazou XVI, Makila, TM333. Approved with restrictions*: Artouste, AST 950, Bastan, Turmo *Please refer to Safran Helicopter Engines manual for details