2.54mm TE Connectivity AMPMODU IV Crimp Receptacle Housings 2.54mm cable mount AMPMODU IV crimp receptacle housings with a single row in-line or double row contact configuration that mate with AMPMODU MOD II .025 inch PCB header connectors. These AMPMODU IV crimp receptacle housings have polarization to ensure accurate mating and versions are also available with a mating retention lock feature(x-925369-x and x-925370-8). The housings of these 2.54mm AMPMODU IV crimp socket housings are made from green thermoplastic. Contacts must be purchased separately (see stock number 233-1889 typically).