Consensus is BA for Smiths instruments. 4BA for the fuel gauge posts.
Thanks
to Jaap and Alan for offering sending 4BA nuts. Jaap is sending a couple nuts
across the pond!
Bert
--- On Sat, 11/13/10, Bert Van Brande
<bertvanbrande@yahoo.com> wrote:
> From: Bert Van Brande
<bertvanbrande@yahoo.com>
> Subject: [Healeys] Fuel gauge brass nuts BA?
> To:
"List Healey" <healeys@autox.team.net>
> Date: Saturday, November 13, 2010,
5:29 AM
> Looking for the specification of the
> brass nuts on the signal
posts of the fuel gauge (where the
> electric wire attaches) for an original
100-4 gauge. I
> believe they're BA. I measure an OD of 0.137" and
> since I
don't have BA/BSF/Whithworth gauges I estimated
> thread pitch around 38
TPI
>
> According to Wikipedia this brings it close to a
> 4BA 0.1417 in
/ 3.6 mm
> 38.46 TPI So I measure 4 thou difference on the
> diameter.
Maybe wear or my calipers.
>
> Can anybody confirm or correct my thinking?
>
> UK model engineering supplies still carry these nuts, not
> sure if there
are sources on this side of the pond but
> postage on a couple nuts will
likely not be too high.
>
> Bert
>
_______________________________________________
> Healeys@autox.team.net
>
Donate: http://www.team.net/donate.html
> Suggested annual donation $12.75
>
Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
>
Unsubscribe/Manage:
http://autox.team.net/mailman/options/healeys/bertvanbrande@yahoo.com
_______________________________________________
Healeys@autox.team.net
Donate: http://www.team.net/donate.html
Suggested annual donation $12.75
Archive: http://www.team.net/archive
Forums: http://www.team.net/forums
|