1-160301-6 FASTON .250 Series Crimp Receptacle, 6.35 x 0.81mm, 4mm² to 6mm². FASTON 250 series quick connect crimp receptacle terminals that offer speed of application and uniform reliability. Experience over widespread segments of industry has proved this crimp to be the most effective way of assuring stable electrical and mechanical performance. These FASTON 250 receptacle terminals have a step down insulation support barrel to compensate for insulation thickness. Tapering walls at the rear of these FASTON 250 receptacles prevent over insertion of shoulderless tabs.