650912-5 is a Type R vertical pin assembly with ACTION PIN posts designed for Eurocard connectors conforming to DIN 41612 and IEC 60603-2 specifications. This standard-size connector features 54 positions with rows A and C loaded, offering dimensions of 95.00 mm (3.740 in) for dimension A, 90.00 mm (3.543 in) for dimension B, 78.74 mm (3.100 in) for dimension C, and 88.01 mm (3.465 in) for dimension D. The assembly includes ACTION PIN posts with 0.64 mm (0.025 in) square cross-section and is available with multiple post length options of 4.00 mm (0.157 in), 6.35 mm (0.250 in), and 13.23 mm (0.521 in), with precious metal plating in the contact area and 5.08 mm (0.200 in) from the tip of the post. The housing is constructed from glass-filled polymer with copper alloy contacts, rated at DIN Performance Level II. This connector is widely used in industrial electronics and instrumentation applications requiring reliable high-density interconnections.