The 289T005ME6D-NNK is a 3-pin Male - Male MIL-DTL-38999 Series III Connector from Glenair. It has a silver-plated steel shell material, cadmium-olive drab finish, 2 #22D size contacts, 1 #28D size, 1/2-28 thread size, and a TFE/Nylon insulation material. This part is part of the Glenair family of MIL-DTL-38999 Series III Connectors, which are designed to provide superior shielding and environment resistance, while providing reliable and repeatable performance in high vibration, high shock and high temperature applications.