MIL-DTL-38999 Series I connectors offer reliable connectivity in harsh environments, featuring up to 128 contacts sealed for environmental protection. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suited for demanding applications. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts in multiple sizes. The connectors come in high strength aluminum shells with plating options including cadmium-free finishes, ensuring durability and performance. Designed for wall mounting, they include front and rear wall mount receptacles with jam nut options. Featuring bayonet coupling and gold contact plating, these connectors guarantee secure and efficient electrical connections. Suitable for military and industrial use, they meet MIL-DTL-38999 I specifications, offering a reliable solution for critical applications.