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-   -   1/4-27NPT plastic threaded pipe plug. (https://www.fordbarn.com/forum/showthread.php?t=146786)

19Fordy 08-12-2014 04:49 PM

1/4-27NPT plastic threaded pipe plug.
 

I meant to say 1/8-27 NPT not 1/4.

I would like to install a drain plug on my polypropylene gas tank and am wondering where I can buy a 1/8-27NPT plastic plug. Anyone know of a source? I don't want to buy a bag of them - just one or two. Thanks.

Mike B 08-12-2014 04:53 PM

Re: 1/4-27NPT plastic threaded pipe plug.
 

I think 1/8th inch is 27 TPI...1/4 is 18? as I recall.

Check your local HW/Home depot?

19Fordy 08-12-2014 05:01 PM

Re: 1/4-27NPT plastic threaded pipe plug.
 

Home Depot doesn't sell small plastic ones with 1/8-27 NPT threads. I need either nylon or polypropylene.

Ronnie 08-12-2014 05:25 PM

Re: 1/4-27NPT plastic threaded pipe plug.
 

Go to a place that does underground sprinkler installations.

R

51 MERC-CT 08-12-2014 06:42 PM

Re: 1/4-27NPT plastic threaded pipe plug.
 

Does it really have to be plastic?
The option that I would consider is a stainless steel Allen plug (less sticking out to get knocked off )
Such as this from Grainger---
http://www.grainger.com/product/Hex-...AS01?$smthumb$

PeteVS 08-12-2014 07:07 PM

Re: 1/4-27NPT plastic threaded pipe plug.
 

McMaster Carr has an assortment...

http://www.mcmaster.com/#standard-pl...-plugs/=t95b2t

mrtexas 08-12-2014 07:07 PM

Re: 1/4-27NPT plastic threaded pipe plug.
 

How about aluminum? There is always ebay. Not too many items not on ebay. Summit Racing also has them.

http://www.ebay.com/itm/Fragola-4932...dd8665&vxp=mtr

19Fordy 08-13-2014 10:11 AM

Re: 1/4-27NPT plastic threaded pipe plug.
 

Thanks guys. I ordered a few from McMasterCarr.

MuskegonFlatheadFan 08-13-2014 10:32 AM

Re: 1/4-27NPT plastic threaded pipe plug.
 

Always remember Fastenal, they are everywhere :)
http://www.fastenal.com/web/products...VendingMachine=

40cpe 08-13-2014 10:37 AM

Re: 1/4-27NPT plastic threaded pipe plug.
 

Quote:

Originally Posted by 19Fordy (Post 926451)
[B]

I would like to install a drain plug on my polypropylene gas tank. Thanks.

How are you going to get the threads in the tank body?

19Fordy 08-13-2014 11:40 AM

Re: 1/4-27NPT plastic threaded pipe plug.
 

Quote:

Originally Posted by MuskegonFlatheadFan (Post 926932)
Always remember Fastenal, they are everywhere :)
http://www.fastenal.com/web/products...VendingMachine=

Gosh, I went to the Fastenal website earlier and couldn't find them.

19Fordy 08-13-2014 11:43 AM

Re: 1/4-27NPT plastic threaded pipe plug.
 

Quote:

Originally Posted by 40cpe (Post 926936)
How are you going to get the threads in the tank body?

I will drill and tap a 1/8-27NPT hole in the bottom of the tank. Already tried it on a practice piece of polyethylene plastic and it worked fine with no leaks. The trick is not to tap too deeply with the tap, otherwise you loose the taper.

40cpe 08-13-2014 03:16 PM

Re: 1/4-27NPT plastic threaded pipe plug.
 

Is this a Tanks tank?

Let us know how it works out.

Tony, NY 08-13-2014 04:31 PM

Re: 1/4-27NPT plastic threaded pipe plug.
 

I bought a Tanks Inc universal tank for my project and never realized that it used an in-tank fuel pump. The pickup came out the top of the tank. Had to have a bung soldiered to the bottom. They should put drain plugs in their tanks.

19Fordy 08-13-2014 05:49 PM

Re: 1/4-27NPT plastic threaded pipe plug.
 

Quote:

Originally Posted by 40cpe (Post 927140)
Is this a Tanks tank?

Let us know how it works out.


OK, I will. The tank is a polyethylene tank from TANKS.


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