Bostitch N12 Roofing Nailer Parts Diagram - [top]
Always verify numbers using your specific N12 manual—diagrams vary slightly by revision.
: An adjustable guide for quick and accurate shingle placement. Common Replacement Kits and Parts bostitch n12 roofing nailer parts diagram
Manages airflow to fire the piston when the trigger is pulled. | Part Name | Function | Official Part
| Part Name | Function | Official Part Number | | :--- | :--- | :--- | | Trigger Valve Body | Pneumatic switch that releases air into the cylinder. | N12-401 | | Trigger Valve Stem & O-Rings | The push-pin that actuates the valve; o-rings dry out. | N12-405 (Repair kit) | | Trigger (Plastic Lever) | The external lever your finger pulls. | N12-403 | | Trigger Spring | Returns the trigger to off position. | N70-30 | | Trigger Valve Cap | Seals the top of the valve body. | N12-402 | | N12-403 | | Trigger Spring | Returns
| Assembly | Components Included | |----------|---------------------| | | Contact trip, push lever, magazine latch, wear plate, nail guide | | Drive System | Driver blade, piston assembly, piston stop, cylinder | | Magazine & Feed | Coil nail canister, spring, feed pawl, feed piston, rail | | Trigger & Safety | Trigger valve, trigger lever, safety contact arm (bump fire) | | Air Inlet & Cap | Air fitting, O-rings, return air cap, baffle, gasket | | Housing & Fasteners | Main body casting, screws, dowel pins, rubber grip |