MIL-DTL-38999 Series I connectors offer high-performance connectivity with up to 128 contacts in an environmentally sealed insert. Designed for harsh environments, they feature various mounting options and RFI grounding plugs. With a wide operating temperature range from -65 °C to 200 °C, these connectors are suitable for demanding applications. Available in 9 shell sizes and 52 insert arrangements, they utilize M39029 rear release crimp contacts for secure connections. The high-strength aluminum shells come in multiple plating options, including cadmium-free finishes, ensuring durability and reliability. RoHS compliant, these connectors are ideal for military and aerospace use, meeting stringent performance standards.