The SF2921-61345-1S is a RoHS compliant, two-hole flange mount SMA jack connector. It is constructed with a passivated stainless steel body, a gold-plated beryllium copper contact, and a PTFE insulator. This specific model includes two 0.188-inch long mounting screws. It is designed for use with printed circuit boards ranging in thickness from 0.023 to 0.123 inches. The connector provides a secure, durable, and reliable RF interface for various electronic assemblies.