H854-9UA
Unical Aero H854-9 hinge assembly will be similar to Hartwell H854-9 hinge assembly in fit, form and function.
Unical Aero’s HA915K4276 push button latch assembly is used to secure a 737 access door in the closed position.
Unical Aero’s HA915K4276UA push button latch assembly is used to secure a 737 access door in the closed position.
Push Button Latch AssemblyInstalls on: Wing DoorOEM Hartwell #: HA915K4276

Unical Aero’s HA915K4276UA push button latch assembly is used to secure a 737 access door in the closed position. The door is located at center wing-to-body fairing access panel. The latch is installed on the access door with four attaching screws. The assembly consists of a bracket on which are mounted a trigger that is riveted together, a bolt, and two springs. The space between the latch buttons and the door are sealed by gaskets. The gaskets are made from elastomeric material. The bolt offset distance to the door structure is adjusted by the bolt offset adjustment screw. The trigger offset distance to the door structure is not adjustable. The bolt is spring loaded to the open position and is held in the closed position by the trigger. The trigger is spring loaded to the closed position.
B737-600, 700, 800, 900/ER SERIES
B737-8 SERIES
B737-9 SERIES
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Unical Aero H854-9 hinge assembly will be similar to Hartwell H854-9 hinge assembly in fit, form and function.
The Latch Assembly consists of 5 primary components for functionalities and assembly.
Unical Aero 9DX404700 Tube Assembly- Flash will be similar to Goodrich 9DX404700-01 Tube Assembly in fit, form
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