| 206-438-834 | Center Window Lower R/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Interior / Furnishings | PMA |
| 206-438-933 | Center Window Lower L/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Interior / Furnishings | PMA |
| 206-438-934 | Center Window Lower R/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-540-001 | Windshield L/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-540-001/ -003 | Windshield, L/H-Oversize | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-540-002 | Windshield R/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-540-003 | Windshield L/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-540-004 | Windshield R/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-540-021 | Windshield, L/H-Net Trim | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-542-001 | Lower Window Assy, L/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-542-002 | Lower Window Assy, R/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-542-003 | Lower Window Assy,L/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-542-004 | Lower Window Assy. R/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-544-10? | Crew Window Assy . L/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-544-108 | Crew Window Assy. R/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-546-109 | Passenger Window Assy. L/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-546-110 | Passenger Window Assy, R/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-548-031 | Skylight L/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-548-032 | Skylight R/H | Bell Helicopter Textron Inc (formerly Aeronautical Accessories Inc) | | 56 | Structures | PMA |
| 206-B/L-101-1, -2, -3, -4, -5, -6 | Window Assembly Replacement for Crew Door | M & N Aerospace | | 56 | Structures | PMA |
| 206-B/L-102-11, -12, -13, -14 | Window Assembly Replacement for Passenger Door | M & N Aerospace | | 56 | Structures | PMA |
| 206-B/L-102-7, -8, -11, -12, -13, -14 | Window Assembly Replacement for Passenger Door | M & N Aerospace | | 56 | Structures | PMA |
| 206-B/L-106-1 | Replacement Window Assembly. Passenger Door Bubble | Nordam Transparency Div | — | 56 | Structures | PMA |
| 206-B/L-106-1, -2 | Replacement Window Assembly Passenger Door Bubble | Nordam-Texas | — | 56 | Structures | PMA |
| 206-B/L-106-2 | Replacement Window Assembly. Passenger Door Bubble | Nordam Transparency Div | — | 56 | Structures | PMA |
| 206-B/L-107-1 | Window Inst l Crew Door Vertical Slide | Nordam Transparency Div | — | 56 | Structures | PMA |
| 206-B/L-107-1, -2 | Window Inst l Crew Door Vertical Slide | Nordam-Texas | — | 56 | Structures | PMA |
| 206-B/L-107-2 | Window Inst l Crew Door Vertical Slide | Nordam Transparency Div | — | 56 | Structures | PMA |
| 206-B/L-108-13 | Window Inst l Passenger Door Vertical Slide | Nordam Transparency Div | — | 56 | Structures | PMA |
| 206-B/L-108-13, -14 | Window Inst l Passenger Door Vertical Slide | Nordam-Texas | — | 56 | Structures | PMA |
| 206-B/L-108-14 | Window Inst l Passenger Door Vertical Slide | Nordam Transparency Div | — | 56 | Structures | PMA |
| 206-BLW-663 -1, -2, -3, -4 | Aft Door Wedge Window | Nordam-Texas | | 56 | Structures | PMA |
| 206-QC-1002-1, -2, -3, -4 | Window Assembly, Chin Bubble, Quick Change | Tech Tool Plastics Inc | | 56 | Structures | PMA |
| 206-QC-1002-1OH58 | quick-change chin bubble w-frame a | other | | 56 | Structures | OEM |
| 206-QC-1002-2 | chin bubble w-frame assy rh | other | | 56 | Structures | OEM |
| 206-QC-1002-5OH58 | quick-change chin bubble wdw repla | other | | 56 | Structures | OEM |
| 206-QC-1002-6 | chin bubble window replacement rh | other | | 56 | Structures | OEM |
| 206-QC-1002-6OH58 | quick-change chin bubble wdw repla | other | | 56 | Structures | OEM |
| 206-QC-1002-l, -2, -3, -4 | Window Assy, Chin Bubble, Quick Change | Tech Tool Plastics Inc | | 56 | Structures | PMA |
| 206031501133 | WINDOW | — | | 56 | Structures | PMA |
| 206033600017 | WINDOW | — | | 56 | Structures | PMA |
| 206033600018 | WINDOW | — | | 56 | Structures | OEM |
| 206201045 | WINDOW | — | | 56 | Structures | PMA |
| 206201104 | WINDOW | — | | 56 | unknown | OEM |
| 206202301 | WINDOW | — | | 56 | Structures | OEM |
| 206215007 | WINDOW | — | | 56 | Structures | OEM |
| 206400-01 | Air Tractor Windshield | Sierracin/Sylmar Corp | — | 56 | Structures | PMA |
| 206500-01 | Air Tractor Windshield | Sierracin/Sylmar Corp | — | 56 | Structures | PMA |
| 206540023 | WINDOW | — | | 56 | unknown | OEM |
| 206540024 | WINDSHIELD | — | | 56 | unknown | OEM |