5786534-1 is an HD-20 AMPLIMITE subminiature D connector plug designed for PCB mounting applications. This shell size 4 connector features 37 contact positions with straight posted ACTION PIN pin contacts that are preloaded. The connector includes 4-40 threaded inserts for secure mounting and has contact finish plating code A, which provides gold on the mating end and tin on the termination end with a minimum 0.00127 mm (0.000050 in) nickel underplate. Key dimensions include an overall length of 2.732 inches (69.39 mm), width of 2.500 inches (63.50 mm), and height of 0.494 inches (12.55 mm). This connector is ideal for applications requiring reliable high-density signal connections in industrial, telecommunications, and computing equipment.