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Where to find NAS bolts

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Where to find NAS bolts

Postby Gripdana » Tue Mar 08, 2016 3:28 pm

Does anyone know where I can find NAS6604-16X and NAS6604-16Y bolts? They are both oversize. I have no problem finding them without the "X" and "Y".
Dana Baker
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Sonex #1534 - N1534S "Aluminum Foil"
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Re: Where to find NAS bolts

Postby SonexEZ » Tue Mar 08, 2016 4:49 pm

Have you checked out aircraft spruce I did work with another place in SC but I can't remember the name
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Re: Where to find NAS bolts

Postby Gripdana » Tue Mar 08, 2016 6:49 pm

Yes. But no luck from them.
Dana Baker
Scratch Built
First Flight March 8, 2015
Sonex #1534 - N1534S "Aluminum Foil"
Aerovee-Dual Controls-Tail Dragger
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Re: Where to find NAS bolts

Postby Bryan Cotton » Tue Mar 08, 2016 7:07 pm

I have bought NAS bolts from these folks before:
http://www.gen-aircraft-hardware.com
I did not research your p/n's there though.
Bryan Cotton
Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
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Re: Where to find NAS bolts

Postby Gripdana » Tue Mar 08, 2016 7:25 pm

Thank you Brian. I tried them. No luck there either. It seems the oversized bolts are a hard one for me to find
Dana Baker
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First Flight March 8, 2015
Sonex #1534 - N1534S "Aluminum Foil"
Aerovee-Dual Controls-Tail Dragger
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Re: Where to find NAS bolts (oversize dia)

Postby pfhoeycfi » Tue Dec 21, 2021 10:55 am

I've seen reference here and elsewhere online to oversize diameter bolts but I have never seen them offered anywhere. I've seen part numbers like, for example, NAS6604-21X & Y. I've looked at all of the obvious suppliers with no luck. Does anyone have any idea where these can be found?


peter
Peter Hoey
SEL Pvt, Comm Glider, CFIG, Pawnee & L19 Towpilot
Philadelphia Glider Council
Sonex B SNB0021, N561PH, Taildragger, Aerovee Turbo, MGL MX1, First flight Dec 18, 2022
Also built Sonerai IIL N86PH
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Re: Where to find NAS bolts

Postby GraemeSmith » Tue Dec 21, 2021 12:25 pm

Could you take a longer bolt and run a die up it to get to the grip length you need? No idea about the "legality" or performance difference of such an idea.
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Re: Where to find NAS bolts

Postby pfhoeycfi » Tue Dec 21, 2021 2:29 pm

GraemeSmith wrote:Could you take a longer bolt and run a die up it to get to the grip length you need? No idea about the "legality" or performance difference of such an idea.


Hi Graeme,
I was looking for an oversize diameter bolt. The bolt I was looking for is the 1/4-28 NAS6404-20X, it has a 1.25" grip. The X represents a larger diameter shank (+.0156) and a Y suffix bolt would have an even larger diameter shank (+.0312). I've seen them referred to as "repair bolts". I just found that JetTek has a bunch in stock but they want $150 each... I think I'll just updrill.

Peter
Peter Hoey
SEL Pvt, Comm Glider, CFIG, Pawnee & L19 Towpilot
Philadelphia Glider Council
Sonex B SNB0021, N561PH, Taildragger, Aerovee Turbo, MGL MX1, First flight Dec 18, 2022
Also built Sonerai IIL N86PH
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Re: Where to find NAS bolts

Postby racaldwell » Tue Dec 21, 2021 2:54 pm

Peter,

Maybe metric?? Grade 8. dia, 7 mm would be about 0.025" greater than 1/4" dia. Depends on your application. McMaster-Carr.

Rick Caldwell
Xenos 0057
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Re: Where to find NAS bolts

Postby Bryan Cotton » Tue Dec 21, 2021 3:39 pm

GraemeSmith wrote:Could you take a longer bolt and run a die up it to get to the grip length you need? No idea about the "legality" or performance difference of such an idea.

At this point may as well shop at Lowes. The strength between rolled and cut threads is significant.
Bryan Cotton
Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
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