The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts in an insert. With an operating temperature range of -65°C to 200°C, these connectors are ideal for demanding applications. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Constructed with aluminum shells and offering multiple plating options, they ensure durability and reliability. With RoHS certified finishes available, they meet environmental standards while delivering high performance. Perfect for military and industrial use, the MIL-DTL-38999 Series II connectors are essential for maintaining connectivity in challenging conditions.