[Boatanchors] Need French TR-PP-11B1 radio power switch

[HL1FB]

Hello;

    I am repairing a French 50MHz handheld military radio, TR-PP-11B1.

And I found a power switch(EXT-0-INT) is broken. Anybody has or knows

where I can get one?

Thank you in advance.

de HL1FB in South Korea