Part Location Diagram of 850766 DeWALT O-RING, 2.609X.139
See part 78 in the diagram
( Grid squares measure 1x1 inch )

O-RING, 2.609X.139 850766

Manufactured by:
DeWALT
ERP Number:
ERP18986862
Part Number:
850766
Original Equipment Manufacturer ?
$5.95
Special Order
Minimum Quantity of 2 required

Easy 

Less than 15 mins 

(1 rated repair) ?

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Product Description

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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.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Bostitch
  • Porter Cable
  • DeWALT
This part works with the following products:
  • Nailer
Part# 850766 replaces these:
850766, P850766,

Questions & Answers

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Customer Repair Instructions

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Easy 

Less than 15 mins 

(1 rated repair) ?
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Sorry, we couldn't find any existing installation instruction that matched.

O rings were bad

Richard from Baker , Florida

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Parts Used:
850766, 850607, 191777
Used a cordless drill to take the screws out and replaced the bad o rings
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