The 1658694-8 is a universal ejection style pin header designed for ribbon cable interconnect solutions with military, center, and dual polarized configurations. This 16-position header features 0.100 inch by 0.100 inch (2.54 mm by 2.54 mm) centerline spacing and a 0.174 inch (4.42 mm) tail length, providing reliable mating with compatible receptacles. The connector incorporates ACTION PIN contacts with gold flash plating over palladium-nickel on mating surfaces and tin plating on tails, ensuring excellent electrical performance and durability. It is RoHS compliant and suitable for applications requiring secure, polarized connections in ribbon cable assemblies, including telecommunications, industrial control systems, and data acquisition equipment where reliable signal transmission is essential.