MS27656T21F75AD is a MIL-DTL-38999 Series I harsh environment connector, featuring a back panel wall mounting receptacle with a wall mounting flange for secure installation. With a total of 4 removable crimp contacts (8Twinax), this connector is designed for high-reliability applications, meeting stringent military specifications. Constructed with a durable aluminum shell and electroless nickel finish, it offers excellent environmental resistance and conductivity. Operating in temperatures ranging from -65°C to 200°C, it is suitable for extreme conditions. This product does not contain RoHS compliant finishes.