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BOSTITCHAir Tool Replacement Parts

BOSTITCH Contact Arm Assembly: Mfr Part # 9R189719

The BOSTITCH Contact Arm Assembly (Mfr Part # 9R189719) is an air tool replacement part designed for use with BOSTITCH pneumatic tools. This assembly, identified by SKU 42NJ46, includes the contact arm component…

SKU 3G-OTH-165922

Brand
BOSTITCH
Item
Contact Arm Assembly: Mfr Part # 9R189719
Category
Air Tool Replacement Parts
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Technical Specifications

BOSTITCH
Manufacturer Part Number
9R189719
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BOSTITCH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BOSTITCH Contact Arm Assembly (Mfr Part # 9R189719) is an air tool replacement part designed for use with BOSTITCH pneumatic tools. This assembly, identified by SKU 42NJ46, includes the contact arm component necessary for tool operation. It is compatible with models referencing part numbers 36Z449 and LPF21PL.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the BOSTITCH Contact Arm Assembly used for?

The BOSTITCH Contact Arm Assembly (Mfr Part # 9R189719) is a replacement part for BOSTITCH pneumatic tools. It provides the contact arm component that engages the workpiece during fastening operations, ensuring proper tool activation and consistent fastener placement in industrial framing, sheathing, and trim applications.

What are the specifications of the BOSTITCH Contact Arm Assembly?

The BOSTITCH Contact Arm Assembly is identified by manufacturer part number 9R189719 and SKU 42NJ46. It is compatible with BOSTITCH models referencing part numbers 36Z449 and LPF21PL. This assembly is classified as an Air Tool Replacement Part and is designed for use with BOSTITCH pneumatic tools.

Where to buy the BOSTITCH Contact Arm Assembly worldwide?

3G Electric supplies the BOSTITCH Contact Arm Assembly (9R189719) worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this replacement part to any country.

How to install the BOSTITCH Contact Arm Assembly?

To install the BOSTITCH Contact Arm Assembly, first disconnect the tool from its air supply. Remove the old contact arm by loosening the retaining screw or pin. Align the new assembly (9R189719) with the tool body, secure it with the original fastener, and verify smooth movement before reconnecting air. Always follow the tool's service manual.

Used in

Common applications for BOSTITCH
Construction framing — BOSTITCH pneumatic framing nailers (e.g., MCN250) for high-speed nailing of lumber and sheathing.
Woodworking assembly — BOSTITCH finish nailers for trim, molding, and cabinet installation requiring precise fastener placement.
Roofing applications — BOSTITCH coil roofing nailers for attaching shingles and underlayment on residential and commercial roofs.
Industrial packaging — BOSTITCH staplers for sealing corrugated boxes and crates in high-volume shipping environments.
Maintenance repair — BOSTITCH replacement parts (e.g., piston washers, o-ring kits) for servicing pneumatic tools in plant maintenance shops.
Compressor servicing — BOSTITCH air compressor heads (e.g., AB-7161400) for rebuilding or repairing stationary compressor units.

BOSTITCH Products

3G Electric supplies BOSTITCH air tool replacement parts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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