MIL-DTL-38999 Series I connectors offer high-performance connectivity in harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With an operating temperature range of -65 °C to 200 °C, these connectors are ideal 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 durable aluminum shells with options for plating, including cadmium and nickel finishes. RoHS-certified versions are also available. Designed for wall mounting, they provide reliable and secure connections in military and industrial settings.