5788458-1 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 and .120 [3.05] mounting holes. The connector has dimensions of A: 2.732 in [69.39 mm], B: 2.500 in [63.50 mm], and C: .494 in [12.55 mm], with contact finish plating code A featuring phosphor bronze contacts with .000030 [0.00076] gold on mating end, tin on termination end, and .000050 [0.00127] min. nickel underplating. This connector is ideal for high-density interconnect applications requiring reliable signal transmission in industrial, telecommunications, and computing equipment.