MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, they offer reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors come in high-strength aluminum shells with plating options including cadmium-free finishes. The connector family includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, catering to diverse application needs. Utilizing M39029 rear release crimp contacts, they ensure secure connections in military and aerospace settings. With gold-plated removable crimp contacts and bayonet coupling, these connectors guarantee efficient signal transmission and durability. Meeting MIL-DTL-38999 I specifications, they are suitable for demanding environments requiring rugged and reliable connectivity.