The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide 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 offer flexibility in design. Constructed with high strength aluminum shells and offering multiple plating options, including RoHS certified finishes, they ensure reliable performance. The connectors come in wall mount, jam nut receptacle, and RFI grounding plug configurations, suitable for different mounting needs. Utilizing M39029 rear release crimp contacts, they provide secure connections. Overall, the MIL-DTL-38999 Series I connectors are a durable and versatile solution for electrical connectivity in military and industrial settings.