[ARC5] ARC mini-bananna size?

[J Mcvey]

I bought some 'miniature bannna plugs" that  were 3.04 mm diameter, but they don't mate snugly with the ARC jack.Must be some odd size -?
What is the correct size and where do I find them?Also,I would like to find ( at minimum) the male connectors for the ARC-5 type transmitter ( larger than SCR-274).Better yet, a MT-71 tx rack...
Jim

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