MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments. With up to 128 contacts and environmental sealing, they ensure reliable operation in extreme conditions, ranging from -65 °C to 200 °C. Featuring front and rear wall mount options, as well as jam nut receptacles, this connector family caters to diverse installation needs. Compliant with military specification MIL-DTL-38999 I, these circular plugs boast durability and versatility. The connectors come in nine shell sizes and 52 insert arrangements, accommodating various configurations. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. Crafted from high strength aluminum and available in different plating options, including RoHS certified finishes, these connectors prioritize performance and compliance. Whether in aerospace, defense, or industrial applications, the MIL-DTL-38999 I connectors deliver superior functionality, with gold-plated contacts ensuring optimal conductivity and longevity. With a mating type of Bayonet and a service rating of I, they are suitable for demanding environments where reliability is paramount.