MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts housed in an environmentally sealed insert. Designed for harsh environments, these connectors feature front and rear wall mount options, as well as jam nut receptacles and RFI grounding plugs. With a wide operating temperature range of -65°C to 200°C, they ensure reliable performance in varied conditions. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells and offering diverse plating options including cadmium-free finishes, they meet stringent military specifications for durability and conductivity. Suitable for applications requiring resilience and high performance, the MIL-DTL-38999 Series I connectors are ideal for defense, aerospace, and industrial use.