MS27656 - Circular Connectors are high-performance receptacles designed for back panel wall mounting in harsh environments. With a rugged aluminum shell featuring an electroless nickel finish, these connectors offer robust protection and excellent conductivity. The 19-11 shell size accommodates 11 removable crimp contacts, each plated with gold for enhanced durability. Meeting MIL-DTL-38999 I military specifications, they are rated for operating temperatures ranging from -65°C to 200°C, making them ideal for demanding applications. The bayonet coupling design ensures secure and reliable connections, while the D keyway polarization prevents incorrect mating. With a service life of 500 cycles, these connectors are suitable for mission-critical systems. RoHS compliant and available with cadmium-free finishes, they are a reliable choice for high-reliability applications.