[ARC5] [Milsurplus] British Hardware for the TR9-D

Sandy ebjr37 at charter.net
Wed Jan 11 15:28:49 EST 2012


If they are about same diameter as the 4-40.  I am pretty sure they are 
British 6 BA screws.  I used to have a sackful of screws removed from 
Marconi Marine gear and it was all full of "BA" screws.  Mostly 2 BA thru 6 
BA  sometimes you might have a 0 BA or 8 BA, but not a lot of them.  Never 
have seen any Whitworth stuff except on very rare occasions.
The 6 BA's were VERY common.
73,,Sandy W5TVW

-----Original Message----- 
From: J. Forster
Sent: Wednesday, January 11, 2012 8:05 AM
To: David Stinson
Cc: ARC-5 List ; milsurplus at mailman.qth.net
Subject: Re: [ARC5] [Milsurplus] British Hardware for the TR9-D

Dave,

Look at BA nuts and bolts. I'd think roughly 6 or 8 BA, but it's been a
loooong time. (the bigger the number, the smaller the screw)

-John

===============


> Still trying to ID these TR9-D screws.  Both are "cheesehead" screws.
>
> One is the same physical size as a #4-40 x 3/8ths, but has a fine
> thread.
>
> The other is very slightly larger thread diameter than #6-32 x
> 3/8ths,
> but has a finer thread.  These also have nuts on them.
>
> Anyone?
>
> 73 DE Dave AB5S
>
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