The MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in a rugged insert, designed for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, these connectors are ideal for military and aerospace applications. With a wide operating temperature range of -65°C to 200°C, they ensure reliable performance in extreme conditions. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating various needs. Constructed with high-strength aluminum shells and available in different plating options, including cadmium-free finishes, they meet stringent industry standards. Perfect for applications requiring durability and environmental sealing, these connectors provide secure and efficient electrical connections in critical situations.