MIL-DTL-38999 Series I connectors, part of the MS27466 family, are designed for harsh environments with up to 128 contact points housed within a durable insert. Featuring front and rear wall mount options, as well as jam nut receptacles, these connectors offer reliable connectivity in demanding settings. Compliant with military specification MIL-DTL-38999 I, they ensure high performance in extreme conditions, with an operating temperature range from -65°C to 200°C. Their 9 shell sizes and 52 insert arrangements, along with M39029 rear release crimp contacts, provide versatility for various applications. Constructed with high-strength aluminum shells and available in different plating options – including RoHS-certified finishes – these connectors offer durability and corrosion resistance. Suitable for use in environments requiring environmental sealing and RFI grounding, they are a dependable choice for aerospace, defense, and industrial applications.