The MIL-DTL-38999 Series I connectors, also known as MS27466, are high-performance electrical receptacles designed for harsh environments. Featuring a wall-mounting flange and bayonet coupling, these connectors offer secure and reliable connections in military and aerospace applications. With 19 gold-plated removable crimp contacts in a size 20 (19), they ensure excellent conductivity and signal integrity, even in extreme conditions. Constructed with an aluminum shell and available in various finishes including electroless nickel and cadmium olive drab, they provide durability and environmental resistance. Meeting MIL-DTL-38999 I specifications, these connectors are RoHS compliant and have a service rating of E, making them ideal for use in demanding environments requiring high reliability.