MIL-DTL-38999 Series II connectors offer rugged durability with up to 128 contacts in an environmentally sealed insert. Operating in extreme temperatures ranging from -65°C to 200°C, these connectors are designed for harsh environments. Available in various configurations such as front and rear wall mount, jam nut, and box mount receptacles, they ensure secure connections. Featuring straight, RFI grounding, and standard plugs with a 90-degree cable clamp, these connectors come in 9 shell sizes and 52 insert arrangements, accommodating different needs. Utilizing M39029 rear release crimp contacts, they ensure reliable performance. Constructed with aluminum shells and offering plating options like electroless nickel and cadmium finishes, they provide versatility. These connectors, meeting MIL-DTL-38999 II specifications, are ideal for military and industrial applications requiring dependable connectivity in challenging conditions.