For mating Receptacle Headers see stock number ; 714-2451 714-2451 typical. RIB-CAGE PCB Pin Headers. These Board to Board FCI Rib-Cage™ multi-point SMT Pin Headers have PCB locators and square pins with 0.76 m gold plating on the contact surfaces and tin plating on the soldering surfaces. Part Numbers 87409-1**** have an above board height of 5.74 mm giving a mating height of 6.45 mm with the appropriate receptacle header. Part Numbers 73547-1**** have an above board height of 9.25 mm giving a mating height of 9.93 mm with the appropriate receptacle header.