The MIL-DTL-38999 Series II connectors offer high-performance connectivity with up to 128 contacts, designed for harsh environments. Featuring a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for demanding applications. Available in various mount types including front wall mount, rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. With options for straight, RFI grounding, and standard plugs, along with multiple shell sizes and insert arrangements, these connectors offer flexibility in design. Constructed with aluminum shells and featuring RoHS compliant finishes, they ensure durability and environmental safety. With gold-plated removable crimp contacts, mating via bayonet coupling, and a service rating of I, these connectors guarantee reliable performance in critical operations. Perfect for military and industrial use, they offer superior conductivity and ingress protection, making them essential components for mission-critical systems.