The MT334B from Switchcraft Inc. is a stereo (3-conductor, TRS) phone jack connector with a 6.35 mm (0.250", 1/4") diameter, panel mount, with solder eyelet terminations.
The MT334BX from Switchcraft Inc. is a stereo (3-conductor, TRS) phone jack connector with a 6.35 mm (0.250", 1/4") diameter, panel mount, with solder eyelet terminations.