104313-4 is a low-profile vertical header connector from the AMPMODU 0.025 inch square interconnection system, designed for reliable PCB-to-connector mating with 20 positions arranged at 0.100 inch (2.54 mm) centerline spacing. The connector features 0.025 inch square copper alloy posts with duplex gold plating on contact areas, housed in black thermoplastic (94V-0 rated) with detent windows and mounting ears for secure board mounting. Dimensional specifications include an overall length (A) of 1.300 inches (33.02 mm), a contact area length (B) of 0.900 inches (22.86 mm), and a shroud depth (C) of 0.437 inches (11.10 mm) with an overall height (D) of 0.769 inches (19.53 mm). This connector is suitable for applications requiring compact, high-density interconnections in electronic assemblies, instrumentation, and industrial control systems where reliable signal and power distribution is essential.