MS27656 - Connectors, Receptacle, Electrical, Back Panel, Wall Mounting Flange, Crimp Type, Bayonet Coupling, 38999 Series I, MIL-DTL-38999 I. This circular receptacle accommodates 22 removable crimp contacts (contact size 22D) for secure electrical connections in harsh environments. With a shell size of 13 and a durable aluminum construction, it offers reliable performance in a wide range of applications. Featuring Electroless Nickel and Cadmium Olive Drab finish coatings, this connector ensures excellent conductivity and environmental resistance. Designed for wall mounting with a back panel wall mounting flange, it is suitable for military and aerospace use. RoHS non-compliant.