Pigtail for the intrnal of a Soekris

[Snow Wolf]

I have a Soekris Net4521, that I'm slowly get into working order, but I need a small cable to get to the external of the case.  The Aethros mini-pci has a U.FL connector and the antenna is listed as Reverse SMA Male plug.  Ideally, the cable would have a lock-down nut for the external connector to hold it in place.  I don't have the unit handy, but a rough guess on length would be 6 inches.
So is there a place that sells such cables?  Do people in the list sell/make them as well?
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