MIL-DTL-38999 Series I connectors are designed for harsh environments, offering up to 128 contacts within their environmentally sealed inserts. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for demanding applications. Featuring various mounting options including front and rear wall mount, as well as jam nut receptacles, they provide flexibility in installation. Utilizing M39029 rear release crimp contacts in sizes 22D, 22M, 22, 20, 16, and 8, they ensure reliable connections. Available in 9 shell sizes and 52 insert arrangements, these connectors cater to diverse needs. Constructed with high-strength aluminum shells and offered in multiple plating options such as cadmium and nickel, they guarantee durability and performance. Meeting MIL-DTL-38999 I specifications, they are ideal for military and aerospace use, providing a secure and efficient electrical interface.