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MG MGA - 1600 rear indicator light

Can anyone tell me thread of the three very tiny screws that fasten the base of the rear round indicator light base to the plinth casting?
Colin Manley

Colin

My My MGA Register Technical Manual appears to list them as 3/16" x 1/2" UNF Pan Head Set Screws, part number PMZ0308, quantity 4 (not sure if that is for each plinth).

Steve
Steve Gyles

Thanks Steve, The holes look smaller than for a 3/16" thread, but i expect they have closed up a bit as i sprayed the plinth with a few coats of Filler Primer.

regards
Colin
Colin Manley

My parts book shows 3 screws, PTZ604 to fasten each bulb holder (socket) to the plinth. A common fastener for many Lucas lamps.

I just purchased these and they were #6 machine screws, 1/2 inch long.

I was surprised that Todd Clarke's fastener book did not list them, but I guess it is for bolts.

Google turns up this.

http://www.jagspares.co.uk/Abingdon/partdetail.asp?partno=PTZ604
James Stout

Colin, You asked the question to which I need an answer as well. There are three threaded holes on my new plinths - they are small and I have taken a punt on Steve's advice and ordered the bolts he recommends. James, Moss London tell me that PTZ604 is a self-tapping screw.
I guess that the threads on the plinths have been gummed up with paint over the years and owners have had to resort to self-tappers.
Thanks all.
R
Roger W

Todd Clarke describes them as part of his F93 kit as:-

6 off no.6 x 1/2" sheet metal screws i.e. self tappers.

You can get them easily over here from a good ironmongers but perhaps with a PZ head instead of Phillips.......................Mike
m.j. moore

Sorry, #6 machine screws are for mounting the front lamps. Same socket type with three fasteners and I assumed front & rear would be the same.

Jim
James Stout

This thread was discussed between 02/12/2014 and 07/12/2014

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