Unused  3/16 BSF brass boiler boss,  these are as used on the Mamod water level plugs on the rear of boilers,   fits the mobile models such as traction engines, rollers,  green lorries,  early cars,  and quite a lot of the stationary engines (NOT SE3 twin these are Bsw,  If your buying for SE1 / SE2 please check as early variants can be Bsw),   ideally it pays to try level plug for correctness prior to soldering in. place. 

Useful to have in the spares box.

UK manufactured aftermarket spare part.

Any questions just ask us.

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We normally despatch asap after cleared payments. 

We would expect items to take 7 to 10 days to reach customers within the UK and we rely on the Postal Service too! So please be patient.

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