| 3912039-517 | pane | Boeing | | 56 | Structures | OEM |
| 39132551 | WINDOW FRAME | DOUG | | 56 | Structures | OEM |
| 39132561 | SEAL | Boeing | | 56 | unknown | OEM |
| 3913257-1 | Pane | GKN Aerospace Transparency Systems Inc | | 56 | Structures | PMA |
| 3913257501 | WINDOW FRAME | DOUG | | 56 | Structures | OEM |
| 39132581 | SEAL | — | | 56 | unknown | OEM |
| 3913813-1 | pane | Boeing | | 56 | Structures | |
| 39197871 | RETAINER | — | | 56 | Consumables / Hardware | OEM |
| 39197891 | RETAINER | — | | 56 | Consumables / Hardware | OEM |
| 392010-01/ B7422750 | Proximity Switch Instl. FWD Service Panel | DPI Labs Inc | — | 56 | Structures | PMA |
| 3935331 | BUMPER | — | | 56 | unknown | OEM |
| 393750 | TRACK | — | | 56 | unknown | OEM |
| 39508-004 | PIPER PA-34-220T WINDSHIELD | — | | 56 | Structures | OEM |
| 39508-004 | PIPER PA-34-220T WINDSHIELD | — | | 56 | Structures | OEM |
| 39508-005 | PIPER PA-34-220T WINDSHIELD | — | | 56 | Structures | OEM |
| 39508-005 | PIPER PA-34-220T WINDSHIELD | — | | 56 | Structures | OEM |
| 39508-011 | PIPER PA-34-220T WINDSHIELD | — | | 56 | Structures | OEM |
| 39508-011 | PIPER PA-34-220T WINDSHIELD | — | | 56 | Structures | OEM |
| 39508-804 | PIPER PA-34-220T WINDSHIELD | — | | 56 | Structures | OEM |
| 39508-804 | PIPER PA-34-220T WINDSHIELD | — | | 56 | Structures | OEM |
| 39508-805 | PIPER PA-34-220T WINDSHIELD | — | | 56 | Structures | OEM |
| 39508-805 | PIPER PA-34-220T WINDSHIELD | — | | 56 | Structures | OEM |
| 39508-811 | PIPER PA-34-220T WINDSHIELD | — | | 56 | Structures | OEM |
| 39508-811* | PIPER PA-34-220T WINDSHIELD | — | | 56 | Structures | OEM |
| 39508-811* | PIPER PA-34-220T WINDSHIELD | — | | 56 | Structures | OEM |
| 3986-001 | Window Pane | TIMCO Aerosystems (formerly Brice Manufacturing Co) | | 56 | Structures | PMA |
| 39903CM015-301 | Flight Deck Aux Power Panel Instl Kit | AAR Aircraft Services Inc. | | 56 | Structures | PMA |
| 39903CM106-301 | Windows Plugs Install Kit | AAR Aircraft Services Inc. | | 56 | Structures | PMA |
| 39903CM124-303 | Baffle Panel Inserts Install Kit | AAR Aircraft Services Inc. | | 56 | Structures | PMA |
| 39903EM102-303 | P14 Aft FA Panel Mod Kit | AAR Aircraft Services Inc. | | 56 | Structures | PMA |
| 39903EM104-305 | P5-97 Panel Wire Instl Kit | AAR Aircraft Services Inc. | | 56 | Structures | PMA |
| 39HP900 | Crew Door Window | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 39HP913-1 Dwg. No. 39HP915 Rev. N/C, dated 6/22/88 or later FAA Approval | Windshield | Aeronautical Accessories Inc (CANCELLED) | — | 56 | Structures | PMA |
| 39HP913-2 Dwg. No. 39HP915 Rev. N/C, dated 6/22/88 or later FAA Approval | Windshield | Aeronautical Accessories Inc (CANCELLED) | — | 56 | Structures | PMA |
| 3A3180-2 | Viewing port | BFGoodrich Aerospace, Aircraft Evacuation Systems | | 56 | Interior / Furnishings | PMA |
| 3D8000-17 | Panel - Attendant Crew Rest | — | | 56 | Structures | OEM |
| 3D8000-17-PMA | Panel - Attendant Crew Rest | Goodrich Aircraft Interior Products (AIP) | | 56 | Structures | PMA |
| 3E2Y82315 | CONTROLLER | — | | 56 | unknown | OEM |
| 3G2141V11151 | Cockpit Control Panel HTR | — | — | 56 | Structures | OEM |
| 3G2141V11151 | Cockpit Control Panel HTR | — | — | 56 | Structures | OEM |
| 3G2150V10653 | Cockpit Control Panel, ECS, NVG | — | | 56 | Structures | OEM |
| 3G2150V10654 | Cockpit Control Panel, Heat NVG | — | | 56 | Structures | OEM |
| 3G5211A00551 | WINDOW | — | | 56 | Structures | OEM |
| 3G5211A00731 | WINDOW | — | | 56 | unknown | OEM |
| 3G5211A00831 | WINDOW | AGUSTA | | 56 | Structures | OEM |
| 3G5610A04751 | WINDOW | — | | 56 | Structures | OEM |
| 3G5610V00151 | Helicopter Main Windshield, Heated, L/H | — | — | 56 | Structures | OEM |
| 3G5610V00151 | Helicopter Main Windshield, Heated, L/H | — | — | 56 | Structures | OEM |
| 3G5610V00251 | Helicopter Main Windshield, Heated, R/H | — | — | 56 | Structures | OEM |
| 3G5610V00251 | Helicopter Main Windshield, Heated, R/H | — | | 56 | Structures | OEM |