The 613010243121 is a 10-way 2-row black right angle Socket Header, stamped contacts, 2.54mm pitch. This WR-PHD series header with gold-plated copper alloy contacts, PBT insulator. It mates with 6100xx21121, 6130xx21021, 6130xx21121, 6130xx28421, 6130xx28521 and 6130xx2xx21.