Easy
15-30 minutes
This O-ring kit is sourced from the original manufacturer for use in nailers. The kit includes a set of 12 O-rings in various sizes. The O-rings help to maintain the correct pressure levels by preventing air from leaking out and ensuring the efficient operation of the equipment. Over time they can become brittle, lose their elasticity, or break leading to air leaks and reduced performance. It is recommended to inspect and replace the O-rings as part of the regular maintenance of the equipment. Simply remove the faulty O-ring, clean the mounting surface, and firmly press the new one into place.
O-ring Kit N566154
OEM part for: Porter Cable
Part Number: N566154
$22.89
In Stock
Ships within 1 business day 
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Frequently Purchased Together ?
Compatibility
This part will fit the following 3 machines
Porter Cable
FN250C Type 1 16 Ga. 2-1/2" Finish Nailer Kit View Diagrams & Manuals
FN250C (Type 2) Finish Nailer Power Tool View Diagrams & Manuals
FN250C (Type 3) Finish Nailer Power Tool View Diagrams & Manuals
This item works with the following types of products:
- Nailer Parts
This part replaces obsolete part #: N001119SV, N001119
Customer Part Reviews ?
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O'rings for nail gun
The o'rings arrived quickly and just as described. I got my nail gun working and so glad fixing it saved me lots of money. Thank you.
Anonymous -
January 27, 2022
Verified Purchase
Life saver
It was exactly as described and repaired the nail gun. Fast shipping also.
Guest -
July 21, 2021
Verified Purchase
Correct parts for needed repair
I needed to replace a broken O-ring on an otherwise excellent tool I had no difficulty finding the parts, they were good quality for a fair price and they arrived promptly. I have consistently four eReplacementParts a reliable company.
Guest -
April 14, 2021
Verified Purchase
Easy maintenance for my nailer.
Easy to read instructions, and simple maintenance of my nailer. Part arrived as promised, and was very easy to install.
Guest -
June 27, 2020
Verified Purchase
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Does this fit my product?Questions & Answers for O-ring Kit
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Nail gun did not work
Jon - September 22, 2018
👍 3 of 4 people found this instruction helpful
Tool Type
Nailer
Difficulty
Medium
Time
15-30 minutes
Tools Used
, Allen wrench, punch, hammer
1. Remove the old trigger valve and replace
2. Replace one o ring on main plunger
Gun works fine now
2. Replace one o ring on main plunger
Gun works fine now
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worn O rings
Richard - September 7, 2020
Tool Type
Nailer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver
Parts Used
Took the top off the nailer and pulled out internal parts and replaced several O rings. Back in business
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Finish nailer not firing. Leaking around trigger
Steve - May 10, 2020
Tool Type
Nailer
Difficulty
Easy
Time
30-60 minutes
Tools Used
Wrench Set
Parts Used
Although the problem ended up being the trigger valve assembly needing to be replaced, I thought it would be a good time to replace all the other o-rings in the gun. The cost was under $30 and the instructions were easy. You only need to remove the cylinder cap (4 bolts) and follow the instructions and diagram provided by ereplacement. The instructions were a welcomed surprise and made the assembly easy.
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OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
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.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
