MIL-DTL-38999 Series I connectors are engineered for rugged environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65°C to 200°C, these connectors provide reliable performance in harsh conditions. Available in various shell sizes and insert arrangements, they offer versatility for different applications. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS-certified finishes, these connectors ensure durability and compliance with environmental regulations. The connector family includes front and rear wall mount receptacles, as well as jam nut receptacles, all featuring RFI grounding plugs for enhanced performance. Utilizing M39029 rear release crimp contacts, they guarantee secure and efficient connections. Suitable for military and industrial use, MIL-DTL-38999 Series I connectors are ideal for applications requiring high reliability and environmental resistance.