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Re: [Mgs] Mounting bolt for s.u. fuel pump

To: "schultejim@msn.com" <schultejim@msn.com>, "MG List" <mgs@autox.team.net>
Subject: Re: [Mgs] Mounting bolt for s.u. fuel pump
From: Barney Gaylord <barneymg@mgaguru.com>
Date: Sat, 19 Jan 2013 16:34:11 -0600
Delivered-to: mharc@autox.team.net
Delivered-to: mgs@autox.team.net
References: <BLU0-SMTP150272142541BFDCF1D84FDDB110@phx.gbl>
The part is AJD6155Z -- Screw, pump to bracket
Hex Head, 1/4-26-BSF X 5/8

BSF is the fine thread series of the BSW 55 degree Whitworth 
threads.  All of the fasteners and fittings in the SU pump are BA, 
BSF or BSP.  It is a throwback to pre-war design, before the Allied 
countries adopted Unified thread standards for the war 
machinery.  They continued making the same fuel pumps after the war, 
so the threads did not change to Unified standard.  The Auster 
windscreen frame and many of the electrical parts are like that.

Barney Gaylord
1958 MGA with an attitude
http://MGAguru.com


At 04:39 PM 1/19/2013 -0500, schultejim@msn.com wrote:
>Folks,
>I am having trouble finding a bolt that will attach to the s.u. fuel 
>pump which in turn will attach to a bracket on the MG. I have tried 
>fine thread and course thread and none seem to go further then 1 
>full turn. It looks like fine to me but is it tapered?
>Jim in the garage with Sun light fading (-'
>
>Sent via the HTC Vividb", an AT&T 4G LTE smartphone
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