| W-2368-LH | PIPER PA-31 FORWARD WINDOW - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2368-LH, W-2368-187-LH, W-2368-250-LH | PIPER PA-31 FORWARD WINDOW - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2368-RH | PIPER PA-31 FORWARD WINDOW - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2368-RH, W-2368-187-RH, W-2368-250-RH | PIPER PA-31 FORWARD WINDOW - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2369 | PIPER PA-31 LH CREW DOOR WINDOW - OUTER | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2369-187 | PIPER PA-31 LH CREW DOOR WINDOW - OUTER | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2369-250 | PIPER PA-31 LH CREW DOOR WINDOW - OUTER | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2370 | PIPER PA-31 LH LATE CREW DOOR WINDOW - OUTER | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2370-187 | PIPER PA-31 LH LATE CREW DOOR WINDOW - OUTER | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2370-250 | PIPER PA-31 LH LATE CREW DOOR WINDOW - OUTER | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2370, W-2370-187, W-2370-250 | PIPER PA-31 LH LATE CREW DOOR WINDOW - OUTER | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2371-LH | Piper PA-31 Vent Window- RH or LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2371-LH, W/T-2371-LH, W/G-2371-LH, SC-W/T-2371-LH, SC-W/G-2371-LH | PIPER PA-31 VENT WINDOW - RH or LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2371-RH | Piper PA-31 Vent Window- RH or LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2371-RH, W/T-2371-RH, W/G-2371-RH, SC-W/T-2371-RH, SC-W/G-2371-RH | PIPER PA-31 VENT WINDOW - RH or LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2372 | PIPER PA-31 CREW DOOR VENT WINDOW | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2372, W/T-2372, W/G-2372, SC-W/T-2372, SC-W/G-2372 | PIPER PA-31 CREW DOOR VENT WINDOW - RH or LH | Great Lakes Aero Products | | 20 | Consumables / Hardware | PMA |
| W-2373 | PIPER PA-31 CENTER WINDOWS - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2373-187 | PIPER PA-31 CENTER WINDOWS - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2373-250 | PIPER PA-31 CENTER WINDOWS - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2374-187-LH | PIPER PA-31 2ND FROM REAR WINDOW - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2374-187-RH | PIPER PA-31 2ND FROM REAR WINDOW - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2374-250-LH | PIPER PA-31 2ND FROM REAR WINDOW - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2374-250-RH | PIPER PA-31 2ND FROM REAR WINDOW - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2374-LH | PIPER PA-31 2ND FROM REAR WINDOW - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2374-RH | PIPER PA-31 2ND FROM REAR WINDOW - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2375-187-LH | PIPER PA-31 REAR WINDOW RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2375-187-RH | PIPER PA-31 REAR WINDOW RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2375-250-LH | PIPER PA-31 REAR WINDOW RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2375-250-RH | PIPER PA-31 REAR WINDOW RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2375-LH | PIPER PA-31 REAR WINDOW RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2375-RH | PIPER PA-31 REAR WINDOW RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2376 | PIPER PA-31-350 2ND WINDOW - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2376-187 | PIPER PA-31-350 2ND WINDOW - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2376-250 | PIPER PA-31-350 2ND WINDOW - OUTER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2377-LH | Piper PA-28-181 Windshield | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2377-RH | Piper PA-28-181 Windshield | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2379 | British Aerospace Beagle Windshield | Great Lakes Aero Products | — | 56 | Structures | PMA |
| W-2379-187 | British Aerospace Beagle Windshield | Great Lakes Aero Products | — | 56 | Structures | PMA |
| W-2379-II | British Aerospace Beagle Windshield | Great Lakes Aero Products | — | 56 | Structures | PMA |
| W-2379-II-187 | British Aerospace Beagle Windshield | Great Lakes Aero Products | — | 56 | Structures | PMA |
| W-2380 | DeHAVILLAND CHIPMUNK WINDSHIELD | Great Lakes Aero Products | — | 56 | Structures | PMA |
| W-2381-LH | CESSNA 188 SKYLIGHTS RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2381-RH | CESSNA 188 SKYLIGHTS RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2383 | CESSNA 336 WINDSHIELD | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2384 | Cessna 337 Windshield | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2385-LH | PIPER PA-31 FORWARD WINDOW - INNER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2385-RH | PIPER PA-31 FORWARD WINDOW - INNER - RH OR LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2386 | PIPER PA-31 CABIN DOOR WINDOWS - INNER - LH | Great Lakes Aero Products | | 56 | Structures | PMA |
| W-2387 | FAIRCHILD PT-26 WINDSHIELD | Great Lakes Aero Products | — | 56 | Structures | PMA |