AC Antennas chrome plated brass adapter.
This adapter has an internal thread of 1" - 14 TPI and an external thread of 1 1/4" - 11 TPI. The adapter can be used for installations where the cable needs to be reached from the side and to convert an external 1" 14TPI thread to an external 1 1/4" 11TPI thread. The external threads fit the N239F pivot nut that comes with many of the AC antenna products.
NOTE: This adapter is required for the AC CX4 antenna.