Question about Stanley Bostitch N88rh Framing Nailer Driver Piston 158582

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My N60FN is leaking from around the trigger, where can I purchase a re-build kit?

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The whole trigger assembly must be replaced.

Posted on Oct 05, 2009


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Nailer is shooting air out of trigger, is not releasing brad

Sounds like the head valve. Remove the head cap take out the head valve, clean, re-fit and give it a few drops of air line oil. Then give it a try. Good luck.

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Stanley Bostitch N60FN finish nailer only pops when the trigger is pulled.

replace broken driver, or if driver is not broken replace the oring on the driver piston

Sep 10, 2012 | Stanley Air Tools & Compressors

1 Answer

I have a N60FN Bostitch nailer. It's loosing air

Your nailer uses a trigger valve part # tva6 (or tva1, but use tva6) (cost about $20) and is sold at or ebay for generic. If you have a source for orings, you could try to repair the valve. Remove the roll pin that holds the trigger to expose the tva6 valve. There are roll pin/pins that hold the valve in just above the valve in the body (Use punch for 3mm hole). Remove these pins and apply air pressure to gun to pop-out the valve. Use caution when you do this. Remove nails, lower pressure to gun and use glove or rag to catch valve because it could come out with force. Note the two grooves on the side of the valve where retainer roll pins hold valve. Remember to insert the valve with these two groves aligned with path of roll pins. With tva6 valve in hand remove two pins that hold valve together and remove inner plunger. The middle oring/seal on plunger is cause of leak. Try using an oring with smaller inside diameter than the broken or loose fintting seal that is present. It must fit pretty tight and be slightly thicker than 1/16" to work. Remove the outer orings to valve and clean and re-use same. Clean the valve port in body of gun and check for sharp edges to prevent cutting orings before inserting the valve. Use silicone lube or oring lube on the orings and the valve port (Danco silicone paste sold at Lowes in the plumbing department). Good Luck on your repair and email if you have other questions

Jul 08, 2010 | Stanley Bostitch Air Nailer Trigger N60...

1 Answer

I have a Stanley Bostitch finish nailer n60fn its leaking air from the trigger and housing.Is this something that I can rebuild and if so where can I get the information on how to rebuild it?

The fix it replace the trigger valve. It is a 5 minute job and seems to be a pretty common problem. Bad news is they seem to run about $30. I believe the bostitch # is TVA6

Apr 04, 2010 | Craftsman Nailer Kit, Palm Air Driver

1 Answer

O ring for bostitch n60fn

What you need is part # ORK1 and you can order it online from The oring kit is $16.25. And if you also require a trigger valve assy it is listed on the page with the oring kit. The trigger valve assy is TVA6. Any questions please post back.

Oct 11, 2009 | Stanley Tools & Hardware - Others

1 Answer

Air is leaking around the trigger. N60FN. How do you replace it?

Yes, you have to drive out the pins. There currently is no rebuild kit. Depending on when your was built there are solutions though.
Carefully drive out the trigger pin first. Then the one retaining the trigger assembly. The trigger assembly is in there pretty good, carefully work it out. Once you remove it, there are two small steel pins holding it together. Remove those...careful there is a spring inside. You can see what's been compromised. Like I said, there don't make repair kits for these, but you can order a replacement assembly.

Good luck.

Aug 04, 2009 | Stanley Bostitch N88rh Framing Nailer...

1 Answer

Help with Bostitch N60 air nail gun.

If it is a N60FN you will have to install a new trigger valve P/N TVA6. Any Bostitch service center should have them.

Apr 08, 2009 | Tools & Hardware - Others

1 Answer


you probably have a trigger valve that is green. if so then it will have to be replaced, the valve runs about $ 20 but you can put it in your self.

Dec 26, 2008 | Air Tools & Compressors

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