MIL-DTL-38999 Series I connectors are designed for rugged environments, featuring up to 128 contacts in an insert for reliable connectivity. With an operating temperature range of -65°C to 200°C, they are suitable for a wide range of applications. This connector family includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, offering versatility in installation. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells, these connectors come in various plating options, including cadmium-free finishes for RoHS compliance. Ideal for demanding military and industrial environments, MIL-DTL-38999 Series I connectors ensure durability and performance in harsh conditions.