MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert with front wall mount, rear wall mount, and jam nut receptacles. Operating between -65 °C and 200 °C, these connectors offer durability and reliability. Utilizing M39029 rear release crimp contacts in various sizes, they ensure secure connections. Made of high-strength aluminum with options for plating, including cadmium-free finishes, they meet stringent military specifications. With a straight plug shell style and bayonet mating type, they provide ease of use in various applications, from defense to aerospace. Designed for environmental resistance and long-term performance, these connectors are essential for critical systems.