MIL-DTL-38999/20 - Connectors, Electrical, Circular, Receptacle, Threaded, Wall Mounting Flange, Removable Crimp Contacts, Series III. This high-reliability connector features 13 gold-plated contacts in a size 11 shell, with a contact size of 22D(13). Designed for extreme environments, it offers a wide operating temperature range from -65°C to 200°C. The shell is constructed of a lightweight composite material with Electroless Nickel and Electrodeposited Nickel finish coatings, ensuring durability and corrosion resistance. With a Mating Threaded keyway polarization (D), this connector is suitable for military and aerospace applications, with a service rating of M and a mating life of 500 cycles. Environmentally resistant and conductive, it is ideal for demanding electronic systems. This product is not RoHS compliant.