MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, ideal for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various mount types including front and rear wall mount, as well as jam nut receptacles, these connectors offer versatility. Utilizing M39029 rear release crimp contacts, they ensure reliable connections in sizes 22D, 22M, 22, 20, 16, and 8. Constructed with high-strength aluminum shells and offering multiple plating options such as cadmium and nickel, they meet stringent performance requirements. RoHS compliant finishes further enhance their appeal, making them a dependable choice for demanding applications.