MIL-DTL-38999 Series I connectors feature up to 128 contacts within an insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various configurations like front and rear wall mount receptacles, they ensure secure connections with RFI grounding. Compliant with military specification MIL-DTL-38999 I, these circular connectors offer reliable performance with M39029 rear release crimp contacts. Crafted from high-strength aluminum, they come in different plating options including cadmium-free finishes, ensuring durability. Ideal for applications requiring environmental resistance, these connectors guarantee conductivity and are suitable for demanding settings like box and through bulkhead mounting.