MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, these connectors are designed for rugged applications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The connectors come in durable aluminum shells with options for plating, including cadmium-free finishes. Offering reliability with a service rating of I, they are suitable for demanding military and industrial requirements.