MS27656T19B32PA is a high-performance MIL-DTL-38999 Series I connector, designed for harsh environmental conditions in military and aerospace applications. Featuring a rugged aluminum shell with Electroless Nickel and Cadmium Olive Drab plating for enhanced durability, this back panel wall mounting receptacle ensures reliable electrical connections in extreme temperatures ranging from -65°C to 175°C. With 32 gold-plated removable crimp contacts (size 20), it offers excellent conductivity and mating integrity, rated for 500 cycles. The bayonet coupling mechanism guarantees secure and efficient connections, while the A keyway polarization prevents mismating. Suitable for use in demanding environments, this connector is not RoHS compliant but is available with RoHS certified cadmium-free finishes.