MIL-DTL-38999 Series I connectors are designed to meet the demands of harsh environments, offering up to 128 contacts in an insert that is environmentally sealed. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for use in rugged conditions. Available in various shell sizes and insert arrangements, they feature M39029 rear release crimp contacts for secure connections. Constructed with high strength aluminum shells and offered in different plating options, including RoHS certified finishes, these connectors ensure reliable performance. Whether for front wall mount, rear wall mount, or jam nut receptacles, the MIL-DTL-38999 I connector family guarantees durability and conductivity, making it a trusted choice for military and industrial applications.