5499141-1 is a right-angle pin header with strain relief receptacles designed for universal ejection style military applications with center and dual polarization. It features a 0.100 x 0.100 inch (2.54 x 2.54 mm) centerline spacing and 0.025 inch (0.64 mm) square posts at the mating end. The product is available in multiple position configurations with soldertail lengths of 0.110 inch (2.79 mm) and is designed to mate with receptacles that include strain relief features. This connector is commonly used in equipment for board-to-board and subsystem-to-subsystem interconnections, providing reliable mass termination capabilities for ribbon cable applications in military and industrial environments.