Switchcraft Stereo Headphone Jack- 3 Circuit Conductor with Nut and Washer, Double Open Circuit- SWC-12B.
Contact springs are of special alloys for long life. Insulation is high dielectric strength phenolic. Tinned terminal lugs for easy soldering. Short frame. Mounts by 3/8-32 threaded bushing and nut. Open circuit until plug inserted.
Missing washers and attaching nuts with the headphone jacks!
Yes, however you must solder the wire in the correct positions. You can also use the mono jack p/n: 11-03907