The 90136-1204 is a 4-way 1-row C-Grid III? Vertical Header with selective 0.38μm gold-plated (Au) brass contacts, 2.90mm PC tail length, 2.54mm pitch, through hole and black polyester housing. This vertical header is suitable for signal and wire-to-board. Mates with 90123 C-Grid III? modular crimp housing and 90156 C-Grid III? crimp housing.