MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an insert. With an operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. Offering front wall mount, rear wall mount, and jam nut receptacles, they ensure secure connections. Utilizing M39029 rear release crimp contacts, they guarantee durability with 500 mating cycles. Suitable for military and industrial applications requiring environmental resistance, these connectors are a dependable choice for demanding connectivity needs.