J36B series rectangular aviation connectors, J36B series rectangular electrical connectors, compliant with Q/HD20038-2007 detailed specifications, are straight-insert cabinet-type electrical connectors. They come in seven core counts: 9, 17, 26, 38, 52, 62, and 74, offering a complete range of specifications. The termination style is welding. Widely used for internal electrical signal connections in equipment and instrument compartments across industries such as aerospace, aviation, weaponry, naval vessels, telecommunications, and computers.