KK interconnect range of 5.08mm pitch wire to board crimp terminal housings made from natural UL94V-2 nylon which mate with the KK 3003 (stock number 670-1670 typically) PCB header connectors. These KK crimp terminal socket style housings use KK 2478 (18-24 AWG), KK 2578 (22-26 AWG) and KK 2878 series (18-20 AWG) crimp terminals.