| 26HP501-6 Rev. None dated 10/18/83 or later FAA Approval | Window Assy, R/H | Aeronautical Accessories Inc (CANCELLED) | — | 56 | Structures | PMA |
| 26HP501-9 Rev. None dated 10/18/83 or later FAA Approval | Window Assy, L/H | Aeronautical Accessories Inc (CANCELLED) | — | 56 | Structures | PMA |
| 26HP600-1 Rev. None dated 10/18/83 or later FAA Approval | Window Assy, L/H | Aeronautical Accessories Inc (CANCELLED) | — | 56 | Structures | PMA |
| 26HP601-1 Rev. None dated 10/18/83 or later FAA Approval | Window Assy, L/H | Aeronautical Accessories Inc (CANCELLED) | — | 56 | Structures | PMA |
| 26HP601-2 Rev. None dated 10/18/83 or later FAA Approval | Window Assy, R/H | Aeronautical Accessories Inc (CANCELLED) | — | 56 | Structures | PMA |
| 26HP602-1 Rev. None dated 9/24/83 or later FAA Approval | Window Assy, L/H | Aeronautical Accessories Inc (CANCELLED) | — | 56 | Structures | PMA |
| 26HP602-2 Rev. None dated 9/24/83 or later FAA Approval | Window Assy, R/H | Aeronautical Accessories Inc (CANCELLED) | — | 56 | Structures | PMA |
| 26HP602-7 Dwg. No. 26HP907, Rev. IR, dated 7/16/87 or later FAA Approval | Window Assy Litter Door and Fixed Panel | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP901-1 Dwg. No. 26HP901 and 26 HP909 Rev. N/C, dated 12/1/83 or later FAA Approval | Wedge Window | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP901-2 Dwg. No. 26HP901 and 26 HP909 Rev. N/C, dated 12/1/83 or later FAA Approval | Wedge Window | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP901-3 Dwg. No. 26HP901 and 26 HP909 Rev. N/C, dated 12/1/83 or later FAA Approval | Wedge Window | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP901-4 Dwg. No. 26HP901 and 26 HP909 Rev. N/C, dated 12/1/83 or later FAA Approval | Wedge Window | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP902-1 Dwg. No. 26HP900 Rev. C, dated 8/15/89 or later FAA Approval | Window Assy Crew | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP902-2 Dwg. No. 26HP900 Rev. C, dated 8/15/89 or later FAA Approval | Window Assy Crew | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP902-3 Dwg. No. 26HP900 Rev. C, dated 8/15/89 or later FAA Approval | Window Assy Crew | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP902-4 Dwg. No. 26HP900 Rev. C, dated 8/15/89 or later FAA Approval | Window Assy Crew | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP908-1 Dwg. No. 26HP914 Rev. A, dated 9/30/86 or later FAA Approval | Vertical Slide Passenger Window | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP908-2 Dwg. No. 26HP914 Rev. A, dated 9/30/86 or later FAA Approval | Vertical Slide Passenger Window | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP908-3 Dwg. No. 26HP914 Rev. A, dated 9/30/86 or later FAA Approval | Vertical Slide Passenger Window | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP908-4 Dwg. No. 26HP914 Rev. A, dated 9/30/86 or later FAA Approval | Vertical Slide Passenger Window | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP908-5 Dwg. No. 26HP914 Rev. A, dated 9/30/86 or later FAA Approval | Vertical Slide Passenger Window | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP908-6 Dwg. No. 26HP914 Rev. A, dated 9/30/86 or later FAA Approval | Vertical Slide Passenger Window | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP915-1 Dwg. No. 26HP915 Rev. N/C, dated 10/25/84 or later FAA Approval | Window Assy Rubber Mounted Chin | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP915-3 Dwg. No. 26HP915 Rev. N/C, dated 10/25/84 or later FAA Approval | Window Assy Rubber Mounted Chin | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP918-1 Dwg. No. 26HP900 Rev. C, dated 8/15/89 or later FAA Approval | Window Assy Crew Wedge, Rubber Mounted | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP918-2 Dwg. No. 26HP900 Rev. C, dated 8/15/89 or later FAA Approval | Window Assy Crew Wedge, Rubber Mounted | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP918-3 Dwg. No. 26HP900 Rev. C, dated 8/15/89 or later FAA Approval | Window Assy Crew Wedge, Rubber Mounted | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 26HP918-4 Dwg. No. 26HP900 Rev. C, dated 8/15/89 or later FAA Approval | Window Assy Crew Wedge, Rubber Mounted | Aeronautical Accessories Inc (CANCELLED) | | 56 | Structures | PMA |
| 27-19442 all dash numbers | Windshield LH | — | — | 56 | Structures | OEM |
| 27-19442 all dash numbers | Windshield LH | — | — | 56 | Structures | OEM |
| 27-19482-001/ -002 | Windshield LH | — | — | 56 | Structures | OEM |
| 27-19482-001/ -002 | Windshield LH | — | — | 56 | Structures | OEM |
| 27-31237-005 | Swearingen 226 Wingtip Lens Cover (Left) | — | — | 56 | Structures | OEM |
| 27-31237-005 | Swearingen 226 Wingtip Lens Cover (Left) | — | — | 56 | Structures | OEM |
| 27-31385-071 | Fairchild 227-TT Wingtip Lens Cover for winglet type (Left Polycarbonate) | — | — | 56 | Structures | OEM |
| 27-31385-071 | Fairchild 227-TT Wingtip Lens Cover for winglet type (Left Polycarbonate) | — | — | 56 | Structures | OEM |
| 270.312, 270.375, 270.500 | Windshield | LP Aero Plastics Inc | — | 56 | Structures | PMA |
| 2701093 | LINK | — | | 56 | unknown | OEM |
| 27010933 | HINGE PIN | — | | 56 | Consumables / Hardware | |
| 271.250, 271.312, 271.375 | Windshield | LP Aero Plastics Inc | — | 56 | Structures | PMA |
| 2719442002 | WINDSHIELD | — | — | 56 | Structures | OEM |
| 2719442003 | WINDSHIELD | — | — | 56 | Structures | PMA |
| 2719442004 | WINDSHIELD | PPG | — | 56 | Structures | OEM |
| 2719442004A | WINDSHIELD | — | — | 56 | Structures | OEM |
| 27194423REV3 | WINDSHIELD | — | — | 56 | unknown | OEM |
| 2722 | Openable Co-Pilot Window | Avcon Industries Inc | — | 56 | Structures | PMA |
| 2722178037 | RETAINER | — | — | 56 | unknown | OEM |
| 2722180803 | WINDOW | — | — | 56 | Structures | OEM |
| 273 | Windshield | LP Aero Plastics Inc | — | 56 | Structures | PMA |
| 273, 273.187, 273.250 | Windshield | LP Aero Plastics Inc | — | 56 | Structures | PMA |