I'm not sure that the military terminolg was
PL-259 for the PLug type
259...
PL-259 stands for Plug number 259. It is a circa 1940 addition to the
Signal Corps number system that the Army started in World War 1. If you
really gotta know the old Signal Corps stock number, it is 2Z7226-259.
William Donzelli
aw288(a)osfn.org