MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, designed for harsh environments with operating temperatures ranging from -65°C to 200°C. Available in various configurations including front and rear wall mount, jam nut receptacles, and RFI grounding plugs, they offer versatility for different applications. With 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts, ensuring secure connections. Constructed with high-strength aluminum shells and offered in multiple plating options such as cadmium and nickel, they provide reliable performance. RoHS compliant finishes are also available. Perfect for military and industrial use, these connectors guarantee durability and conductivity, meeting stringent quality standards.