The 1-531720-1, a high-performance board-to-board PCB connector designed for aerospace, defense, and marine applications. This robust connector features a durable polyester GF housing in a sleek blue color, with UL 94V-0 flammability standard compliance for added safety. With a right-angle mount orientation and through-hole solder termination method, it ensures secure and reliable connectivity in harsh environments. Each package contains 2 connectors, with a total of 110 positions and a 3A amperage rating. Gold-plated brass contacts offer superior conductivity, while a staggered layout and polarizing rib alignment ensure accurate mating. With an operating temperature range of -85 to 257°F and tin-lead PCB contact termination, this connector is ideal for signal transmission in demanding conditions. RoHS non-compliant.