[Wswss] Looking for 1 5/8 inch 7-50A Helix connectors

[Jeff]

	I am building a 432 EME array and have a piece of 1 5/8 LDF
7-50A heliax 
but need two connectors for it. Does anyone have a good source on where
to find these connectors
reasonably priced ??  Used connectors are OK.

K7XQ Jeff