18987980-1-M-DeWALT-904686-O-RING (29.5 X 2 (S3
Part Location Diagram of 904686 DeWALT O-RING (29.5 X 2 (S3
See part 108 in the diagram
( Grid squares measure 1x1 inch )
18987980-1-S-DeWALT-904686-O-RING (29.5 X 2 (S3 Part Location Diagram of 904686 DeWALT O-RING (29.5 X 2 (S3

O-RING (29.5 X 2 (S3 904686

$8.75
In Stock
Fix Number:
FIX18987980
Manufacturer #:
904686
Manufactured by:
DeWALT

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Product Description

It is a genuine item that is supplied by the original equipment manufacturer for use Porter Cable nailers. This is an identical replacement for a missing or a worn o-ring was installed on a new unit, please make sure to refer to the appropriate diagrams of your model for the correct location and application of this hardware. The part helps to provide a tight seal between connected components. Keep in mind this high-quality o-ring is made of durable rubber and is sold individually.

  • Works with the following brands:
    Porter Cable
  • Works with the following products:
    Nailer
  • Part# 904686 replaces these:
    904686
Works with the following brands:
Porter Cable
Works with the following products
Nailer
Part Number Cross Reference
Part# 904686 replaces these:
904686

Questions and Answers

Be the first to ask our experts a question about this part!

SEAL
$16.14
In Stock
Part Number: FIX18987982
This is a single head valve seal for a nailer. This part is installed in the top of the cylinder and creates a seal for the head valve. If air is leaking from the top of the nail gun, it could be due to a damaged head va...
PISTON STOP
$36.63
In Stock
Part Number: FIX18987979
This piston stop is for nailers. The piston stop provides a cushion for the piston. Wear work gloves to protect your hands when installing this part.
O-RING
$6.51
In Stock
Part Number: FIX18987450
This is an O-ring for a nailer/stapler, and it is sold individually. It is sourced right from the original manufacturer, ensuring proper fit and function. O-rings are a general wear part and will require replacing from t...
PISTON RING
$17.25
In Stock
Part Number: FIX18987984
This is an authentic part from Porter Cable. This piston ring is to be used in Porter Cable Finish Nailers. The piston ring is installed next to the o-ring and prevents air from leaking out of the device. This item is so...
O-RING (31 X 2 (2031
$9.81
In Stock
Part Number: FIX18987985
This replacement o-ring is an authentic OEM sourced part that is specially designed for Porter Cable finishing nailers. The purpose of this o-ring is to provide and air tight seal between the piston and the cylinder wall...
GASKET
$24.97
In Stock
Part Number: FIX18987983
It is a genuine OEM sourced replacement part designed for a Porter Cable nailer. This gasket provides an air-tight seal for the exhaust cover. Over time gaskets tend to shrink, become brittle and crack eventually requiri...
PISTON-HEAD VALVE
$26.32
In Stock
Part Number: FIX18987981
This is a genuine OEM part. The head valve piston is made for use with several nailer devices. This metal item helps to secure the spring in the cylinder cap, and is sold individually. A hex key and pliers are needed for...
WASHER-BEARING
$6.51
In Stock
Part Number: FIX18987990
An authentic item which is supplied directly from the original equipment manufacturer for use with Porter Cable nailers. It is a special washer which is utilized to provide a tight seal for the piston stop, please make s...
Affresh Dishwasher Cleaner Tablets - 6
$22.91
In Stock
Part Number: FIX12345667
Affresh dishwasher Cleaner is specially formulated to help remove limescale and mineral build-up that can be unsightly and could affect your dishwasher's performance. Each tablet is designed to clean inside your machine ...
Affresh Washing Machine Cleaner - 3 pack
$20.71
Special Order
Part Number: FIX1960673
This washing machine cleaner includes three time-release tablets designed to remove odor-causing residues, grime, and buildup from high-efficiency and top-load washing machines. The tablets work by cleaning the tub, pump...
Produce Preserver Filter
$18.54
In Stock
Part Number: FIX3503014
Fresh Flow Produce Preserver is made for your refrigerator to help keep produce fresh for longer by absorbing the chemical, ethylene, that causes your fruits and vegetables to ripen quicker. Your produce could be fresh f...
Affresh Washing Machine Cleaner Tablets – 6 Count
$28.91
In Stock
Part Number: FIX12345661
This Affresh Washing Machine Cleaner deep cleans to help remove the odor-causing residues and grime that daily loads leave behind. The time-release tablets are EPA Safer Choice certified, septic-safe and designed to clea...
Refrigerator Deodorizer
$32.12
In Stock
Part Number: FIX12739141
Refrigerator deodorizers help to reduce bacteria growth and therefore reduce smells and extend the life of food.
Affresh Ice Machine Cleaner
$27.83
In Stock
Part Number: FIX12583750
This nickel-safe, unscented ice machine cleaner measures 16 fluid ounces and is used to remove mineral build-up and hard water and is compatible with several makes and models of freestanding ice machines. To use properly...
PISTON-HEAD VALVE
$26.32
In Stock
Part Number: FIX18987981
This is a genuine OEM part. The head valve piston is made for use with several nailer devices. This metal item helps to secure the spring in the cylinder cap, and is sold individually. A hex key and pliers are needed for...
WASHER-BEARING
$6.51
In Stock
Part Number: FIX18987990
An authentic item which is supplied directly from the original equipment manufacturer for use with Porter Cable nailers. It is a special washer which is utilized to provide a tight seal for the piston stop, please make s...
Affresh Dishwasher Cleaner Tablets - 6
$22.91
In Stock
Part Number: FIX12345667
Affresh dishwasher Cleaner is specially formulated to help remove limescale and mineral build-up that can be unsightly and could affect your dishwasher's performance. Each tablet is designed to clean inside your machine ...
Affresh Washing Machine Cleaner - 3 pack
$20.71
Special Order
Part Number: FIX1960673
This washing machine cleaner includes three time-release tablets designed to remove odor-causing residues, grime, and buildup from high-efficiency and top-load washing machines. The tablets work by cleaning the tub, pump...
Produce Preserver Filter
$18.54
In Stock
Part Number: FIX3503014
Fresh Flow Produce Preserver is made for your refrigerator to help keep produce fresh for longer by absorbing the chemical, ethylene, that causes your fruits and vegetables to ripen quicker. Your produce could be fresh f...
Affresh Washing Machine Cleaner Tablets – 6 Count
$28.91
In Stock
Part Number: FIX12345661
This Affresh Washing Machine Cleaner deep cleans to help remove the odor-causing residues and grime that daily loads leave behind. The time-release tablets are EPA Safer Choice certified, septic-safe and designed to clea...
Refrigerator Deodorizer
$32.12
In Stock
Part Number: FIX12739141
Refrigerator deodorizers help to reduce bacteria growth and therefore reduce smells and extend the life of food.
Affresh Ice Machine Cleaner
$27.83
In Stock
Part Number: FIX12583750
This nickel-safe, unscented ice machine cleaner measures 16 fluid ounces and is used to remove mineral build-up and hard water and is compatible with several makes and models of freestanding ice machines. To use properly...
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Model Compatibility

This part works with the following models:
Fix Number: FIX18987980
Manufacturer Part Number: 904686
Brand Model Number Description
Porter Cable FN250B Nailer - 16 Gauge Finish Nailer
Porter Cable FN251 Nailer - 53444
O-RING (29.5 X 2 (S3
$ 8.75
  In Stock
Stock Status
 In Stock

Item is in stock and will ship today if your order is placed before 4:00 PM Eastern Standard Time.

If your order is placed after 4:00 PM EST, the in stock items will ship on the next business day.

 On Order

Item is not in stock and usually ships 3-5 business days from the time you place your order.

 Special Order

Item is not in stock and usually ships 10-15 business days from the time you place your order.

 NLA - No Longer Available

This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.