5747459-6 is an HD-20 right-angle posted receptacle connector designed for subminiature D-type applications. This connector features 9 contact positions in Shell Size 1 with fixed female screwlocks and threaded inserts for secure board mounting. The connector is preloaded with size 20 DF posted socket contacts and utilizes duplex contact plating with 0.000030 inches (0.00076 mm) gold on the mating end and tin on the termination end, with nickel underplating for enhanced durability. The connector dimensions are 1.213 inches (30.81 mm) length and 0.984 inches (24.99 mm) width, with a recommended PCB board thickness of 0.093 inches (2.36 mm) maximum. This receptacle connector is ideal for applications requiring reliable right-angle mating in compact spaces, such as industrial equipment, telecommunications, and data acquisition systems where robust electrical connections are essential.