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BOSTITCHAir Tool Replacement Parts

BOSTITCH O-Ring, 66.5mm x 2.0mm: Mfr Part # 174056, O-Ring

The BOSTITCH O-Ring (SKU 3G-OTH-164628) is an air tool replacement part, specifically an O-Ring with dimensions 66.5mm x 2.0mm. It is compatible with manufacturer part numbers MCN250 and N66C-1, and carries the…

SKU 3G-OTH-164628

Brand
BOSTITCH
Item
O-Ring, 66.5mm x 2.0mm: Mfr Part # 174056, O-Ring
Category
Air Tool Replacement Parts
Available to Order
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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
174056
Type
66.5mm x 2.0mm: Mfr Part # 174056, O-Ring, Compatible with Mfr Part # MCN250/N66C-1

Technical Documents

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

Product Description

The BOSTITCH O-Ring (SKU 3G-OTH-164628) is an air tool replacement part, specifically an O-Ring with dimensions 66.5mm x 2.0mm. It is compatible with manufacturer part numbers MCN250 and N66C-1, and carries the manufacturer part number 174056.

Frequently Asked Questions

What is the BOSTITCH O-Ring 174056 used for?

The BOSTITCH O-Ring 174056 is a replacement seal for pneumatic nailers and staplers, specifically models MCN250 and N66C-1. It prevents air leaks in the tool's cylinder, ensuring consistent driving power and extending tool life. This 66.5mm x 2.0mm O-Ring is a standard service part for maintaining BOSTITCH air tools.

What are the specifications of the BOSTITCH O-Ring 174056?

The BOSTITCH O-Ring 174056 has dimensions of 66.5mm x 2.0mm. It is compatible with BOSTITCH models MCN250 and N66C-1. The manufacturer part number is 174056, and the SKU is 42NH30. This O-Ring is classified as an air tool replacement part and is made to OEM specifications for reliable sealing.

Where to buy BOSTITCH O-Ring 174056 worldwide?

You can source the BOSTITCH O-Ring 174056 from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. 3G Electric supplies genuine BOSTITCH replacement parts for pneumatic tools.

How to install the BOSTITCH O-Ring 174056?

To install the BOSTITCH O-Ring 174056, first disconnect the air tool from its power source. Remove the cylinder cap and old O-Ring, then lubricate the new O-Ring with pneumatic tool oil. Carefully seat it in the groove, reassemble the tool, and test for air leaks. Always follow the manufacturer's service manual for your specific model.

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 O-Ring, 44.7mm x 3.5mm: Mfr Part # 174055, O-Ring, Compatible with Mfr Part # MCN250/N66C-1
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BOSTITCH O-Ring, 20.8mm x 2.4mm: Mfr Part # 174053, O-Ring, Compatible with Mfr Part # MCN250/N66C-1
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BOSTITCH O-Ring, 45.5mm x 2.0mm: Mfr Part # 174058, O-Ring, Compatible with Mfr Part # MCN250
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BOSTITCH O-Ring, 21.9mm x 2.62mm: Mfr Part # 175557, O-Ring
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BOSTITCH O-Ring, 2.05mm x 2.62mm: Mfr Part # 174073, O-Ring
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BOSTITCH O-Ring, 1.73 x 0.07: Mfr Part # 851483-S, O-Ring, Compatible with Mfr Part # MCN250/N66C-1

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