5745076-6 is an HD-20 all-plastic straight posted subminiature D receptacle connector from the AMPLIMITE series, designed for PCB mounting applications. This shell size 1 connector features 9 contact positions with fixed female screwlocks for secure mating. The connector has dimensions of A: 1.228 in (32.72 mm), B: 0.984 in (24.99 mm), and C: 0.420 in (10.67 mm), with post lengths available in 0.125 in (3.18 mm) or 0.170 in (4.32 mm) configurations. The contacts are made of phosphor bronze with gold plating on the mating end and tin on the termination end, with nickel underplating. These connectors are commonly used in data communication, instrumentation, and industrial control applications where reliable signal transmission is required.