MIL-DTL-38999 Series I connectors feature up to 128 contacts within an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various shell sizes and insert arrangements, these connectors offer versatility in applications. The connectors come in high strength aluminum shells with options for plating such as cadmium and nickel. With RoHS certified finishes, they ensure compliance with environmental regulations. These connectors, suitable for military and industrial use, are known for their reliability and durability, with a mating life of 500 cycles. Whether for wall or jam nut mounting, their bayonet coupling design facilitates easy installation. Conductive in nature, they provide efficient electrical connectivity.