MIL-DTL-38999 Series II connectors are designed for rugged environments, offering up to 128 contacts in a sealed insert. With an operating temperature range from -65°C to 200°C, these connectors provide reliable performance in harsh conditions. Available in various mounting options, including front and rear wall mount, jam nut, and box mount receptacles, they feature straight, RFI grounding, and standard plugs with a 90-degree cable clamp. Utilizing M39029 rear-release crimp contacts, they ensure secure connections. Constructed with aluminum shells and plated with options like electroless nickel and cadmium olive drab, these connectors meet RoHS compliance standards. Ideal for military and industrial applications, they guarantee durability and conductivity with a service life of 500 cycles.