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Frame mounting ears are on 1.375 inch centers, and bushings are on .625 inch centers. Jacks are double, 2-conductor type with a crossover wiring feature. If a mating plug is inserted in either bushing, crossover contacts are opened.

Questions? Contact Switchcraft Customer Support at 1-773-792-2700

Product Description  
MT388X tar pit
WEco types 298B and 347B MIL types M642/9-1 and M642/1-1
MT389X tar pit
WEco type 310 MIL types M642/2-1 and M642/2-2
WMT388 tar pit
1/4" Long Frame Dual Jack, Switchcraft Types 411, 412, 413, 420, max dia. 0.562" (14.3)
WMT389X tar pit
1/4" Long Frame Dual Jack, Switchcraft Types 414 and 482; max dia. 0.562" (14.3)
 
Associated Products:

Dual MIL-Type 1/4" Phone Plug
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