I guess the tolerance is pretty close since they used so many decimal place=
s!

Thanks to everyone for the replies.

Friendly regards,

Bob
________________________________________
From: piclist-bounces@mit.edu <piclist-bounces@mit.edu> on behalf of jim
Sent: Wednesday, March 28, 2018 1:35 PM
To: Microcontroller discussion list - Public.
Subject: RE: [EE] Vacuum tube (valve) pin diameter


The IEC 67-I-12a specification calls for a 36-degree angle between the
nine pins of 1.016 mm thickness, in an arc of diameter 11.89 mm.

Regards,

Jim

> -------- Original Message --------
> Subject: [EE] Vacuum tube (valve) pin diameter
> From: Bob Blick
> Date: Wed, March 28, 2018 11:58 am
> To: "Microcontroller discussion list - Public." <piclist@mit.edu>
>
>
> Anyone know the spec for pin diameter of a 9 pin miniature vacuum tube su=
ch as the 12AX7A? I'm measuring about .040" but I can't find a spec for wha=
t it should be or what the tolerance is.
>
> Thanks!
>
> Bob

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