Medium
15-30 minutes
It is a genuine Bostitch replacement hardware that is specially manufactured for use with nailers. This is the washer for the head valve piston, for correct application make sure to check appropriate diagram of your tool. It is made from high-quality metal and it is sold individually.
Washer,special 174052
OEM part for: Bostitch
Part Number: 174052
$4.99
In Stock
Ships within 1 business day 
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Compatibility
This Washer,special will fit the following 19 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Bostitch
Show More Compatible ModelsThis item works with the following types of products:
- Nailer Parts
This part replaces obsolete part #: P2325208062
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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.
Mail gun was blowing air and wouldn’t fire
Brian - October 30, 2022
Tool Type
Nailer
Difficulty
Medium
Time
15-30 minutes
Tools Used
Wrench Set, Nutdriver, Allen wrenches
Ordered O ring kit, removed top, piston head was cracked, replaced all o rings, ordered piston head, replaced head, reinstalled top.
* Instructions are non existent with O ring kit, they did send a diagram of gun.
* pay close attention to how the piston is once apart.
* Instructions are non existent with O ring kit, they did send a diagram of gun.
* pay close attention to how the piston is once apart.
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Nail driving piston going to the drive position as soon as the air was supplied
Richard - August 11, 2021
Tool Type
Nailer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Allen Wrenches
Replacement of the piston air valve that was cracked and all associated O rings to the piston valve, O rings looked OK but since I had the valve out I replaced the O rings
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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.
