Swc 12b jack. 21" (5. 35 mm) or 0. See full list on switchcraft. Mounts by 3/8-32 threaded bushing and nut. 35L x 1. Supplied with one hex nut and one copper alloy Made to specification MIL-J-541. This 1/4-inch open frame jack (EDMO# SWC 12B) has a 3-circuit stereo plug and 0. Tinned terminal lugs for easy soldering. 95H inches ECCN: EAR99 Switchcraft Stereo Headphone Jack- 3 Circuit Conductor with Nut and Washer, Double Open Circuit- SWC-12B. 03 lbs. wmwf7ov8bvueeqpinn1iq2tcx31zzwguhnlssd