Easy
Less than 15 minutes
It is an authentic OEM sourced replacement o-ring that is specially made for Bostitch nailers. It is one of the o-rings that helps to provide an air tight seal for the head valve piston. Please note this durable rubber item is sold individually, to replace it you will need a hex key which is also known as an allen wrench.
O-ring,2.609x.139 850766
OEM part for: Bostitch, Porter Cable
Part Number: 850766
$4.99
In Stock
Ships within 1 business day 
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Compatibility
This part will fit the following 10 machines
Bostitch
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Porter Cable
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Show More Compatible Models
This item works with the following types of products:
- Nailer Parts
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Customer Repair Instructions ?
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O rings were bad
Richard - January 21, 2022
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Power Drill
Used a cordless drill to take the screws out and replaced the bad o rings
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
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