MIL-DTL-38999 Series I connectors feature front and rear wall mount options, along with jam nut receptacles and RFI grounding plugs, making them ideal for harsh environments. With up to 128 contacts in an insert, these connectors are designed for durability, with an operating temperature range from -65°C to 200°C. 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 various plating options, including cadmium-free finishes for RoHS compliance. Suitable for military and industrial applications, these connectors offer reliable performance with gold-plated crimp contacts, meeting stringent conductivity and environmental resistance standards.