12492445-1-M-DeWALT-850626-O-RING-1.984X.139
Part Location Diagram of 850626 DeWALT O-RING-1.984X.139
See part 76 in the diagram
( Grid squares measure 1x1 inch )
12492445-1-S-DeWALT-850626-O-RING-1.984X.139 12492445-2-S-DeWALT-850626-O-RING-1.984X.139 12492445-3-S-DeWALT-850626-O-RING-1.984X.139 Part Location Diagram of 850626 DeWALT O-RING-1.984X.139

O-RING-1.984X.139 850626

Works With Model DWMIIIFS!
$30.16
In Stock
Fix Number:
FIX12492445
Manufacturer #:
850626
Manufactured by:
DeWALT
Works With Model DWMIIIFS!

Jump to:

Product Description

This is a manufacturer sourced replacement part designed for use with Bostitch nailers/staplers. This o-ring provides an air-tight seal for the head valve. Over time this o-ring will shrink, become brittle and crack allowing for air leaks. At that time it should be replaced. It is made out of rubber and it is sold individually. Replacing this item you would need hex key/allen wrench and pliers to replace this item.

  • Works with the following brands:
    Bostitch, DeWALT
  • Works with the following products:
    Nailer, Miscellaneous
  • Part# 850626 replaces these:
    850626, P850626
Works with the following brands:
Bostitch, DeWALT
Works with the following products
Nailer, Miscellaneous
Part Number Cross Reference
Part# 850626 replaces these:
850626, P850626

Questions and Answers

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

O-RING-.487X.103
$6.51
In Stock
Part Number: FIX12496767
This part includes one OEM O-ring for a nailer. The O-ring creates an air-tight seal around the piston stem. When O-rings fail this will hinder the performance of the nailer and may prevent the driver from returning. Sin...
BUMPER
$50.26
In Stock
Part Number: FIX18979592
This is a Genuine Manufacturer Sourced replacement part used on certain Bostitch Stapler/Nailer. This item is made out of Resin and it is sold individually. The purpose of this Piston Bumper is to keep the piston from hi...
O-RING
$9.55
In Stock
Part Number: FIX12475513
This is a Genuine Manufacturer Approved replacement part used on specific Bostitch Nailers. This is a Rubber Ring and it is sold individually. O-rings are designed to withstand thousands of pounds of pressure by creating...
O-RING-1.287 X .210
$10.67
In Stock
Part Number: FIX12409674
This is an authentic manufacturer sourced replacement part designed for use with Bostitch staplers/nailers. It helps to provide an air tight seal for the poppet. It is made out of rubber material and it is sold individua...
SEAL
$6.51
Special Order
Part Number: FIX12423278
This replacement seal is an authentic Bostitch replacement item. It is supplied from original equipment manufacturer for use with Bostitch nailers/staplers. This item provides and ait tight seal for the poppet. Over time...
O-RING
$27.97
In Stock
Part Number: FIX12492712
This replacement o-ring is a genuine OEM sourced item, not an aftermarket alternative. It is a high quality item used on Bostitch nailers and staplers. This o-ring is utilized to provide an air-tight seal for the frame c...
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
In Stock
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...
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
In Stock
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...
View Less

Model Compatibility

This part works with the following models:
Fix Number: FIX12492445
Manufacturer Part Number: 850626
Brand Model Number Description
DeWALT DWMIIIFN Nailer - 16 Ga L Cleat Flr Na
DeWALT DWMIIIFS - 15.5ga Floor Staplr
Bostitch KN85PP Nailer - Pneumatic Nailer
Bostitch MIII812CNCT Nailer - Pneumatic Tool
Bostitch MIIIFN Nailer - Nailer
Bostitch MIIIFS Nailer - Stapler
O-RING-1.984X.139
$ 30.16
  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.