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need an odd pipe plug

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need an odd pipe plug Nate Nagel 06-22-2008
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Posted by Nate Nagel on June 22, 2008, 6:17 pm
Hi all,

I'm actually trying to mount an old aftermarket A/C setup to my '55
Studebaker, but i thought I'd ask here if anyone could shine some light
on a problem that I have. I need to block off a hose fitting for a
heater hose on my water manifold, but I can't use a regular pipe plug
because the A/C bracket is actually maybe 1/8" off the surface of the
water manifold in the area of the boss for the heater hose fitting.
Apparently one was supposed to use one with a hex recess, like a
transmission drain plug. Are these commonly used for any other
applications (e.g. could I find them at any particular kind of store -
the Orange Box doesn't seem to sell anything but the regular square head
type) or should I suck it up and order from McMaster-Carr?

Also, McM-C lists them in Type 304 and also Type 316 stainless. Which
would be better? I would prefer brass if at all possible to prevent
seizing but that doesn't appear to be an option. I think the ones that
Studebaker used on cars without a heater were either iron or steel, but
I don't have a stash of old water manifolds to steal those from.

nate

--
replace "roosters" with "cox" to reply.
http://members.cox.net/njnagel

Posted by Pete C. on June 22, 2008, 7:38 pm

Nate Nagel wrote:
>
> Hi all,
>
> I'm actually trying to mount an old aftermarket A/C setup to my '55
> Studebaker, but i thought I'd ask here if anyone could shine some light
> on a problem that I have. I need to block off a hose fitting for a
> heater hose on my water manifold, but I can't use a regular pipe plug
> because the A/C bracket is actually maybe 1/8" off the surface of the
> water manifold in the area of the boss for the heater hose fitting.
> Apparently one was supposed to use one with a hex recess, like a
> transmission drain plug. Are these commonly used for any other
> applications (e.g. could I find them at any particular kind of store -
> the Orange Box doesn't seem to sell anything but the regular square head
> type) or should I suck it up and order from McMaster-Carr?
>
> Also, McM-C lists them in Type 304 and also Type 316 stainless. Which
> would be better? I would prefer brass if at all possible to prevent
> seizing but that doesn't appear to be an option. I think the ones that
> Studebaker used on cars without a heater were either iron or steel, but
> I don't have a stash of old water manifolds to steal those from.
>
> nate
>
> --
> replace "roosters" with "cox" to reply.
> http://members.cox.net/njnagel

Large steel setscrew ground to length?

Posted by David L. Martel on June 22, 2008, 8:01 pm
Nate,

What sort of thread is the hole, tapered? I'd head to a plumbing supply
shop and see if they have bolts with recessed hexes. I'd use a lot of thread
cement or plumbing goop to inhibit seizing. I'd favor using a regular
automotive steel like #5

Dave M.



Posted by Nate Nagel on June 22, 2008, 8:54 pm
David L. Martel wrote:
> Nate,
>
> What sort of thread is the hole, tapered? I'd head to a plumbing supply
> shop and see if they have bolts with recessed hexes. I'd use a lot of thread
> cement or plumbing goop to inhibit seizing. I'd favor using a regular
> automotive steel like #5
>
> Dave M.
>

it's a NPT or "pipe thread" hole. so I really need a pipe plug. Not
sure how to home fabricate anything that would work for this app, or at
least work and be able to be removed later if for whatever reason I
wanted to.

nate


--
replace "roosters" with "cox" to reply.
http://members.cox.net/njnagel

Posted by Pete C. on June 22, 2008, 10:25 pm

Nate Nagel wrote:
>
> David L. Martel wrote:
> > Nate,
> >
> > What sort of thread is the hole, tapered? I'd head to a plumbing supply
> > shop and see if they have bolts with recessed hexes. I'd use a lot of thread
> > cement or plumbing goop to inhibit seizing. I'd favor using a regular
> > automotive steel like #5
> >
> > Dave M.
> >
>
> it's a NPT or "pipe thread" hole. so I really need a pipe plug. Not
> sure how to home fabricate anything that would work for this app, or at
> least work and be able to be removed later if for whatever reason I
> wanted to.

http://store.summitracing.com/egnsearch.asp?N=700+4294924496+4294839052+4294923391+115+4294888860

If that link doesn't work, just follow the shop -> departments ->
plumbing ->plugs.

Chrome steel, black steel, anodized aluminum, stainless steel, prices
vary by size, material and brand.

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