Hirschmann 731 72 series crimp contacts for nr series connectors 05 to 15mm hirschmann 731 724 221 crimp socket contacts that accept 05 to 15mmsup2 cable suitable for hirschmann nr series and st series 5 pole connectors hirschmann 731 724 221 rbc 162 ag rolled plated crimp socket 05 to 15 mm2