| W/XT-2344-RH | BEECHCRAFT MUSKETEER 4TH WINDOW RH OR LH | Great Lakes Aero Products | Current | 2004-08-11 |
| W/XT-2409-LH | Beech G18/H18 Skylights - RH or LH | Great Lakes Aero Products | Current | 2006-12-03 |
| W/XT-2409-RH | Beech G18/H18 Skylights - RH or LH | Great Lakes Aero Products | Current | 2006-12-03 |
| W/XT-2441-LH | Beechcraft 50 Center Window - Inner - RH or LH | Great Lakes Aero Products | Current | 2006-08-27 |
| W/XT-2441-RH | Beechcraft 50 Center Window - Inner - RH or LH | Great Lakes Aero Products | Current | 2006-08-27 |
| W/XT-2442-LH | Beechcraft 50 Rear Window - Inner - RH or LH | Great Lakes Aero Products | Current | 2006-08-27 |
| W/XT-2442-RH | Beechcraft 50 Rear Window - Inner - RH or LH | Great Lakes Aero Products | Current | 2006-08-27 |
| W/XT-2480 | BEECHCRAFT KING AIR CABIN WINDOWS - INNER - RH or LH | Great Lakes Aero Products | Current | 2007-07-10 |
| W/XT-2485-LH | BEECH 58P CENTER WINDOWS - INNER - RH or LH | Great Lakes Aero Products | Current | 2007-08-07 |
| W/XT-2485-RH | BEECH 58P CENTER WINDOWS - INNER - RH or LH | Great Lakes Aero Products | Current | 2007-08-07 |
| W/XT-2486-LH | BEECH 58P 3RD WINDOWS - INNER - RH or LH | Great Lakes Aero Products | Current | 2007-08-07 |
| W/XT-2486-RH | BEECH 58P 3RD WINDOWS - INNER - RH or LH | Great Lakes Aero Products | Current | 2007-08-07 |
| W/XT-2487-LH | BEECH 58P REAR WINDOWS - INNER - RH or LH | Great Lakes Aero Products | Current | 2007-08-07 |
| W/XT-2487-RH | BEECH 58P REAR WINDOWS - INNER - RH or LH | Great Lakes Aero Products | Current | 2007-08-07 |
| W441CC-9 | Dry Air Pump | White Aviation Consulting Inc (CANCELLED 11/8/2007) | Historical | 2004-10-05 |
| W442CW-12 | Dry Air Pump | White Aviation Consulting Inc (CANCELLED 11/8/2007) | Historical | 2004-10-05 |
| W442CW-14 | Dry Air Pump | White Aviation Consulting Inc (CANCELLED 11/8/2007) | Historical | 2004-10-05 |
| W442CW-4 | Dry Air Pump | White Aviation Consulting Inc (CANCELLED 11/8/2007) | Historical | 2004-10-05 |
| W6380 | Brake Piston | White Aviation Consulting Inc (CANCELLED 11/8/2007) | Historical | 2005-05-21 |
| WB-HS-125-1-1 | Panel Assembly | Perkins Aircraft Svc Inc (formerly Westbase) | Historical | 1994-03-20 |
| WB-HS-125-1-3 | Outer Panel Assy | Perkins Aircraft Svc Inc (formerly Westbase) | Historical | 1994-03-20 |
| WB-HS-125-1-3 | Outer Panel Assembly | Perkins Aircraft Svc Inc (formerly Westbase) | Historical | 1994-03-20 |
| WB-HS-125-1-5 | Inner Panel | Perkins Aircraft Svc Inc (formerly Westbase) | Historical | 1994-03-20 |
| WE81701266 | Cup Washer | WECO Aerospace Systems Inc | Historical | 2007-02-19 |
| WE81701266 | Cup Washer | WECO Aerospace Systems Inc | Current | 2005-05-14 |
| WE81701266 | Cup Washer | Weco Aerospace Systems Inc | Current | 2003-12-18 |
| WE81701277 | Rotor Shaft | WECO Aerospace Systems Inc | Historical | 2007-02-19 |
| WE81701277 | Rotor Shaft | WECO Aerospace Systems Inc | Current | 2005-05-14 |
| WE81701277 | Rotor Shaft | Weco Aerospace Systems Inc | Current | 2004-04-17 |
| WE81701333 | Cup Washer | WECO Aerospace Systems Inc | Historical | 2007-02-19 |
| WE81701333 | Cup Washer | WECO Aerospace Systems Inc | Current | 2005-05-14 |
| WE81701333 | Cup Washer | Weco Aerospace Systems Inc | Current | 2003-12-18 |
| WE81701516 | Cup Washer | WECO Aerospace Systems Inc | Historical | 2007-02-19 |
| WE81701516 | Cup Washer | WECO Aerospace Systems Inc | Current | 2005-05-14 |
| WE81701516 | Cup Washer | Weco Aerospace Systems Inc | Current | 2003-12-18 |
| WF335819 | Filter Element, Hydraulic | Western Filter A Division of Donaldson Company Inc | Current | 2009-05-25 |
| WF335819 | Filter Element, Hydraulic | Western Filter Corporation | Current | 2004-02-17 |
| WF8112-4 | Filter Element | Western Filter A Division of Donaldson Company Inc | Current | 2009-08-19 |
| WSS-1 | Washer | Eagle Technologies Company | Current | 1999-12-02 |
| X-4087AC | Bearing - Ball, Single Row | Aerospace Components LLC | Current | 2006-01-31 |
| XMRXMD-B390-MDL | Kit, XM Wx and Radio Systems | Heads Up Technologies Inc | Historical | 2003-12-02 |