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Sample Model Number Tags
Model numbers can be made up of numbers (1005400, for example) or a combination of letters and numbers (LAT1000AAE). The model number will most likely appear on either a paper sticker or a metal plate. Your appliance's model number tag may look similar to the sample model number tags shown here (model number highlighted in yellow):
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This special grommet is an original part which is specially designed for use with DeWALT and Porter Cable staplers and nailers. It is utilized to secure the pin that holds the adjuster. This is a high...
It is a genuine Porter Cable replacement part, sold individually.
The Trigger Valve Assembly regulates the compressed air via the trigger to your Nailer.
Repair is fairly easy, requiring a small...
This is a genuine manufacturer-sourced replacement part which is specially designed for use with DeWALT and Porter Cable nailers. It helps to distribute the pressure and provide a tight seal between c...
This is a genuine manufacturer-sourced part which is specially designed for use with DeWALT and Porter Cable nailers. The purpose of this bumper is to keep the piston from hitting the bottom of the cy...
Genuine Manufacturer Sourced replacement part, this item is sold individually. The Piston/Driver Assembly is the part of the nail gun that drives the nail into the material that is being used. To help...
This authentic manufacturer-supplied part is specially designed for use with Porter Cable and DeWALT nailers and staplers. It is a special hardware that helps to secure the trigger. This is an identic...
This is a genuine item that is supplied by the original equipment manufacturer for Porter Cable nailers. It is an identical replacement for a missing or damaged trigger assembly that was installed in ...
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1 question answered by our experts.
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Robert
April 13, 2026
Not working getting good air psi trigger works push a board and just air
For model number FN250C
Hello Robert, thank you for contacting us. According to our research, the O-ring has likely dried out or cracked, causing it to lose its airtight seal against the cylinder wall. This prevents the tool from building enough pressure to shove the driver blade down, letting air blow past the piston and out the exhaust instead. You may need to replace it. The part number is PS10183608. We hope this sorts out your problem!
