MIL-DTL-38999 Series I connectors offer a robust solution for harsh environments, featuring up to 128 contacts in an insert. With front wall mount, rear wall mount, and jam nut receptacles, they provide versatile connectivity options. These connectors, compliant with military specification MIL-DTL-38999 I, are sealed for environmental protection and can operate in temperatures ranging from -65 °C to 200 °C. Constructed with high-strength aluminum shells and available in various plating options, including RoHS-certified finishes, they ensure reliable performance. Utilizing M39029 rear release crimp contacts, they come in 9 shell sizes and 52 insert arrangements, accommodating diverse applications. Their bayonet coupling and gold-plated removable crimp contacts guarantee secure and efficient connections, with a mating life of 500 cycles. Suitable for conductive environments, these connectors are ideal for demanding settings where durability and reliability are paramount.