MIL-DTL-38999 Series I connectors feature up to 128 contacts within an insert, offering reliable connectivity in harsh environments. With a wide operating temperature range of -65 °C to 200 °C, these connectors are suitable for demanding applications. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS certified finishes, these connectors ensure durability and performance. The family includes front and rear wall mount, jam nut receptacles, and RFI grounding plugs, meeting MIL-DTL-38999 I military specifications. Perfect for military and aerospace use, these circular connectors provide reliable and long-lasting connectivity in challenging conditions.