The 747841-4 is a subminiature D-type connector plug (Shell Size 2) featuring 15 contact positions with threaded inserts and fixed female screwlock mounting. It incorporates a steel tin-plated front shell, 94V-0 rated thermoplastic black housing, and brass tin-plated eyelets for durability and reliable electrical performance. The connector uses size 20 DF posted pin contacts with duplex plating (0.00030 inches gold on mating end and tin-lead on termination end, nickel underplated), and includes grounding indents and grounding straps for enhanced EMI shielding. Key dimensions include a mating face width of 1.312 inches (33.33 mm) and a depth of 0.235 inches (5.97 mm), with an overall length of 1.541 inches (39.14 mm). This connector is ideal for applications requiring compact, high-density interconnections in industrial control systems, telecommunications equipment, and data acquisition systems where reliable signal transmission and mechanical stability are essential.