The ESSENTRA / RICHCO part SR-5065B is a black, UL94 V-2 nylon round snap push-in rivet. It is designed to be compatible with hole diameters ranging from 5.1 to 5.2 mm (0.201 to 0.205 in) and panel thicknesses ranging from 3.5 to 4.5 mm (0.138 to 0.177 in). With an anchor length of 6.5 mm (0.256 in), this rivet provides a secure and reliable fastening solution for various applications.