Long Threaded Barrel Input Jack, Stereo, Switchcraft, With Nut and Washer. Accepts 1/4" plug, and can be wired mono or stereo. 1/2"-diameter mounting hole,needed and at least 7/16" wood thickness are required for mounting. Overall length 2".
Replaced the stock jack in a warwick corvette that had a faulty connection, works great. That first plug-in is always a little tough but can't go wrong with switchcraft.