The Molex avikrimp snap plug receptacle for 18-22 AWG wire. It has insulation made up of nylon with fits male plug diameter 3.96mm, mylar tape carrier.
Barrel type closed Color - Resin Red Flammability 94V-2 Gender female Glow-Wire Capable No Insulation nylon (PA) Wire insulation diameter 3.25mm max Wire size AWG 18, 20, 22