Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Image not available
BOSTITCHAir Tool Replacement Parts

BOSTITCH Spring Check Pawl: Mfr Part # 163878, Check Pawl Spring

The BOSTITCH Spring Check Pawl (Mfr Part # 163878) is an air tool replacement part, specifically a Check Pawl Spring. It is compatible with BOSTITCH part number F21PL2 and also references part 5KNH5.

SKU 3G-OTH-165427

Brand
BOSTITCH
Item
Spring Check Pawl: Mfr Part # 163878, Check Pawl Spring
Category
Air Tool Replacement Parts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

BOSTITCH
Manufacturer Part Number
163878
Type
Check Pawl Spring, Compatible with Mfr Part # F21PL2
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The BOSTITCH Spring Check Pawl (Mfr Part # 163878) is an air tool replacement part, specifically a Check Pawl Spring. It is compatible with BOSTITCH part number F21PL2 and also references part 5KNH5.

Frequently Asked Questions

What is the BOSTITCH Spring Check Pawl used for?

The BOSTITCH Spring Check Pawl (part 163878) is a replacement spring for the check pawl mechanism in pneumatic nailers and staplers. It ensures the driver blade returns correctly after each cycle, preventing misfires and jams in framing and finish tools.

What are the specifications of the BOSTITCH Spring Check Pawl?

The BOSTITCH Spring Check Pawl is a Check Pawl Spring with manufacturer part number 163878. It is compatible with BOSTITCH part F21PL2 and also references part 5KNH5. This air tool replacement part is designed for pneumatic fastening tools.

Where to buy BOSTITCH Spring Check Pawl worldwide?

3G Electric supplies the BOSTITCH Spring Check Pawl (163878) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this air tool replacement part.

How to install the BOSTITCH Spring Check Pawl?

To install the BOSTITCH Spring Check Pawl, first disconnect the air supply and remove the magazine and nosepiece. Replace the old spring with the new 163878 part, ensuring it seats correctly in the pawl assembly. Reassemble and test cycle before use.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
BOSTITCH
BOSTITCH
BOSTITCH Spring Check Pawl: Mfr Part # 175566, Check Pawl Spring, Compatible with Mfr Part # MCN250. Key specifications — attr948908: 175566; attr948910: 3HZF7; attr948911: MCN250; attr948916: Check Pawl Spring.
BOSTITCH
BOSTITCH
BOSTITCH Pawl: Mfr Part # 163877, Pawl, Compatible with Grainger Part # 5KNH5. Key specifications — attr948908: 163877; attr948910: 5KNH5; attr948911: F21PL2; attr948916: Pawl.
BOSTITCH
BOSTITCH
BOSTITCH Check Pawl B: Mfr Part # 175568, Check Pawl, Compatible with Grainger Part # 3HZF7. Key specifications — attr948908: 175568; attr948910: 3HZF7; attr948911: MCN250; attr948916: Check Pawl.
BOSTITCH
BOSTITCH
BOSTITCH Check Pawl: Mfr Part # 175567, Check Pawl, Compatible with Grainger Part # 3HZF7. Key specifications — attr948908: 175567; attr948910: 3HZF7; attr948911: MCN250; attr948916: Check Pawl.
BOSTITCH
BOSTITCH
BOSTITCH Pin Check Pawl: Mfr Part # 175564, Check Pawl Pin, Compatible with Grainger Part # 3HZF7. Key specifications — attr948908: 175564; attr948910: 3HZF7; attr948911: MCN250; attr948916: Check Pawl Pin.
BOSTITCH
BOSTITCH
BOSTITCH Cover Check Pawl: Mfr Part # 175565, Check Pawl Cover, Compatible with Mfr Part # MCN250. Key specifications — attr948908: 175565; attr948910: 3HZF7; attr948911: MCN250; attr948916: Check Pawl Cover.

More from BOSTITCH

View all BOSTITCH parts
BOSTITCH
BOSTITCH
BOSTITCH Seal, Head Valve: Mfr Part # 9R188849, Head Valve Seal. Key specifications — attr948908: 9R188849; attr948911: N52FN; attr948916: Head Valve Seal.
BOSTITCH
BOSTITCH
BOSTITCH Label Warning: Mfr Part # 158612, Warning Label, Compatible with Mfr Part # 438S2R-1. Key specifications — attr948908: 158612; attr948910: 4YF12; attr948911: 438S2R-1; attr948916: Warning Label.
BOSTITCH
BOSTITCH
BOSTITCH Washer: Mfr Part # 180569, Washer. Key specifications — attr948908: 180569; attr948911: SB1850BN; attr948916: Washer.
BOSTITCH
BOSTITCH
BOSTITCH Assembly Driver/Pist: Mfr Part # 175560, Driver/Piston Assembly. Key specifications — attr948908: 175560; attr948910: 3HZF7; attr948911: MCN250; attr948916: Driver/Piston Assembly.
BOSTITCH
BOSTITCH
BOSTITCH Cap Hook: Mfr Part # 175585, Hook Cap, Compatible with Grainger Part # 36Z450/3HZF7/3HZF8. Key specifications — attr948908: 175585; attr948910: 3HZF7; attr948911: SF150C; attr948916: Hook Cap.
BOSTITCH
BOSTITCH
BOSTITCH Pin Spirol, M4X14MM: Mfr Part # 100263, Spirol Pin, Compatible with Grainger Part # 4YF12. Key specifications — attr948908: 100263; attr948910: 4YF12; attr948911: 438S2R-1; attr948916: Spirol Pin.
BOSTITCH
BOSTITCH
BOSTITCH Plug Manifold, 1/8-2: Mfr Part # 1753, Manifold Plug, Compatible with Grainger Part # 3HZG5. Key specifications — attr948908: 1753; attr948910: 3HZG5; attr948911: SC7; attr948916: Manifold Plug.
BOSTITCH
BOSTITCH
BOSTITCH Seal Frame/Cap: Mfr Part # 163845, Frame/Cap Seal, Compatible with Grainger Part # 5KNH5. Key specifications — attr948908: 163845; attr948910: 5KNH5; attr948911: F21PL2; attr948916: Frame/Cap Seal.