The MIL-DTL-38999 Series I connectors boast high performance with up to 128 contacts in an insert, offering reliable connectivity in harsh environments. These rugged connectors are environmentally sealed, operating seamlessly in temperatures ranging from -65 °C to 200 °C. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they cater to diverse installation needs. With 9 shell sizes and 52 insert arrangements, they accommodate various configurations, utilizing M39029 rear release crimp contacts. Constructed with high-strength aluminum shells and available in multiple plating options, including RoHS-certified finishes, these connectors guarantee durability and compliance. Ideal for military and industrial applications, they ensure secure and efficient electrical connections, with the straight plug design enhancing convenience during installation.