The MIL-DTL-38999 Series I connectors offer high-performance connectivity for harsh environments, featuring up to 128 contacts sealed within their inserts. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for demanding applications. Available in various configurations including front wall mount, rear wall mount, and jam nut receptacles, they provide versatility in installation. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, these connectors ensure secure and reliable connections. Constructed with high-strength aluminum shells and offering multiple plating options such as electroless nickel and cadmium finishes, they meet diverse industrial requirements. The Series I connectors, with their straight plug shell style and bayonet mating type, are designed for easy and efficient use. Whether in military or industrial settings, these connectors deliver exceptional performance, with a guaranteed mating life of 500 cycles. Their conductive nature and ingress protection make them ideal for potting applications. Compliant with military specification MIL-DTL-38999 I, these connectors uphold stringent quality standards for reliable operation in demanding environments.