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BOSTITCHAir Tool Replacement Parts

BOSTITCH 166772 Spring Contact Arm

The BOSTITCH Spring Contact Arm (Mfr Part # 166772) is an air tool replacement part, specifically a Contact Arm Spring. This component is designed for use with BOSTITCH models 5KNH5 and F21PL2, serving as a direct…

SKU 3G-OTH-167170

Brand
BOSTITCH
Item
166772 Spring Contact Arm
Category
Air Tool Replacement Parts
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BOSTITCH
Manufacturer Part Number
166772

Technical Documents

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BOSTITCH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BOSTITCH Spring Contact Arm (Mfr Part # 166772) is an air tool replacement part, specifically a Contact Arm Spring. This component is designed for use with BOSTITCH models 5KNH5 and F21PL2, serving as a direct replacement part for maintaining tool functionality.

Frequently Asked Questions

What is the BOSTITCH Spring Contact Arm used for?

The BOSTITCH Spring Contact Arm (part #166772) is a replacement component for pneumatic nailers and staplers. It provides the spring tension needed for the contact arm to properly engage the workpiece, ensuring consistent fastener depth and preventing misfires in models 5KNH5 and F21PL2.

What are the specifications of the BOSTITCH Spring Contact Arm?

The BOSTITCH Spring Contact Arm is identified by manufacturer part number 166772 and cross-references as 5KNH5 and F21PL2. It is classified as a Contact Arm Spring, designed as a direct replacement part for BOSTITCH air tools. This component restores proper contact-arm function in compatible pneumatic fastening tools.

Where to buy BOSTITCH Spring Contact Arm worldwide?

3G Electric supplies the BOSTITCH Spring Contact Arm (part #166772) to customers worldwide. As a global industrial distributor, 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 for BOSTITCH models 5KNH5 and F21PL2.

How to install the BOSTITCH Spring Contact Arm?

To install the BOSTITCH Spring Contact Arm, first disconnect the tool from its air supply. Remove the old contact arm spring by releasing tension and sliding it off the pivot. Position the new spring (part #166772) onto the contact arm and housing, then reattach the retaining clip. Always consult the tool's manual for torque specs and safety steps.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
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BOSTITCH Arm Upper Contact: Mfr Part # 163900, Upper Contact Arm, Compatible with Mfr Part # F21PL2
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BOSTITCH Contact Arm Assembly: Mfr Part # 9R189719, Contact Arm Assembly
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BOSTITCH Spring: Mfr Part # P2325202662, Spring
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BOSTITCH Assembly Contact Arm: Mfr Part # G4007600, Contact Arm Assembly
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BOSTITCH Spring: Mfr Part # P2820004162, Spring
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BOSTITCH Lower Contact Arm: Mfr Part # 9R193689, Lower Contact Arm

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