This is a 0.5 cal Browning machine gun heater type an-j4. It clipped over the breach cover and the wired copper plate transferred a low level heat to prevent icing, in cold weather or at a high altitude. It is fitted with a wiring loom (rubber casing cracked) and metal plug. The heater outer metal casing is fully stamped. This could be fitted to any RAF aircraft using this particular gun, and it would be wired in to the aircraft electrical system.
Due to postal restrictions this item is For sale to the UK only.
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