Pratt & Whitney
15,224 FAA-approved PMA parts
| Part Number | Part Name | PMA Holder | Status | Date |
|---|---|---|---|---|
| 538059WE | Washer-Flat .266 x .875 x .078 | Wencor West Inc | Current | 1992-06-08 |
| 53864 | Seal Assembly | Eaton Corporation, Centurion (tm) Mechanical Seals (CANCELLED) | Historical | 2000-06-17 |
| 538748QQ | Screw | Turbine Kinetics Inc, Subsidiary of HEICO Corp | Current | 2001-06-16 |
| 538748QQ | Screw | Approved Quality Manufacturing | Current | 2000-12-07 |
| 538748WE | Screw-Machine, .190-32 X 1.562 Hex | Wencor West Inc | Current | 2002-09-18 |
| 538748WE | Screw-Machine, .190-32 X 1.562 Hex | Wencor LLC | Current | 2010-02-02 |
| 538748WE | Screw-Machine .190 -32 x 1.562 | Wencor West Inc | Current | 1992-07-13 |
| 53D514WE | Liner | Wencor LLC | Current | 2010-02-02 |
| 53D514WE | Liner | Wencor West Inc | Current | 2007-05-05 |
| 53H303WE | Lock-Shroud Seg, HPC, 6 STG | Wencor LLC | Historical | 2010-11-29 |
| 53H304KT | Lock-Shroud SEG, HPC, 7STG | Turbine Kinetics Inc, A HEICO Aerospace Company | Current | 2016-10-12 |
| 53H419DEC | Lug-Anti Rotation | Turbine Kinetics Inc, A HEICO Aerospace Company | Current | 2016-03-27 |
| 53H665WE | Tierod | Wencor West Inc | Current | 2006-03-13 |
| 53H665WE | Tierod | Wencor LLC | Current | 2010-02-02 |
| 53L043JSE | Band Segment HPT, 1st Stage | Jet Avion Corporation A HEICO Aerospace Company | Current | 2006-10-10 |
| 53L043JSE | Band, Segment -HPT,1st Stage | Jesse Industries Inc | Historical | 2006-06-14 |
| 53L213WE | Seal - HPT Blade | Wencor LLC | Current | 2012-02-03 |
| 53L213WE | Seal | Wencor LLC | Current | 2013-12-22 |
| 53M154SD | Plug - Blanking | Seal Dynamics Inc | Current | 2008-01-08 |
| 53M867KT | Insulation Segment-Assy, 3Stg | Turbine Kinetics Inc, A HEICO Aerospace Company | Current | 2016-10-23 |
| 53M869KT | Insulation Segment-Assy, 4Stg | Turbine Kinetics Inc, A HEICO Aerospace Company | Current | 2016-10-23 |
| 53T236-01KT | Shield-Assy of, Heat, GRBX | Turbine Kinetics Inc, A HEICO Aerospace Company | Current | 2017-02-26 |
| 540-0001-2 | Bleed Valve | Honeywell International Inc. | Current | 2023-03-25 |
| 540-0001-2 | Valve, Bleed Air | Honeywell International Inc, Aerospace Equipment Systems | Current | 1998-12-06 |
| 540-0001-2 | Bleed Valve | Honeywell International Inc | Current | 2000-08-29 |
| 540-0001-2 | Valve, Bleed Air | Grimes Aerospace Co | Current | 1994-07-18 |
| 540-0001-3 | Bleed Valve | Honeywell International Inc. | Current | 2023-03-25 |
| 540-0001-3 | Valve, Bleed Air | Honeywell International Inc, Aerospace Equipment Systems | Current | 1998-12-06 |
| 540-0001-3 | Bleed Valve | Honeywell International Inc | Current | 2002-01-29 |
| 540-0001-3 | Valve, Bleed Air | Grimes Aerospace Co | Current | 1997-09-10 |
| 540-0001-4 | Bleed Valve | Honeywell International Inc. | Current | 2023-03-25 |
| 540-0001-4 | Valve - Bleed Air | Honeywell International Inc, Aerospace Equipment Systems | Current | 1999-02-23 |
| 540-0001-5 | Bleed Valve | Honeywell International Inc. | Current | 2023-03-25 |
| 540-0001-6 | Bleed Valve | Honeywell International Inc. | Current | 2023-03-25 |
| 540-0001-6 | Bleed Valve | Honeywell International Inc | Current | 2002-03-21 |
| 540-0002-4 | Valve, Air Modulating, N.L. Double Lever | Grimes Aerospace Co | Current | 1996-03-30 |
| 540-0003-4 | Valve, Air Modulating, N.O., Single Lever | Grimes Aerospace Co | Current | 1996-03-30 |
| 540-0048-1SD | Screen | Seal Dynamics Inc | Current | 2008-09-23 |
| 540-0051JP-1 | Poppet-Valve | Jet Parts Engineering Inc | Current | 2012-03-21 |
| 540-0174-1AAR | Indicator Assembly | Wencor LLC (formerly Dixie Aerospace LLC) | Current | 2011-06-18 |
| 540-0174-1AAR | Indicator Assembly | AAR PMA Products | Current | 2008-08-03 |
| 540-0178JP-1 | Bolt | Jet Parts Engineering Inc | Current | 2012-03-21 |