The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65 °C to 200 °C, they offer reliable performance in extreme conditions. Available in various mount types including front and rear wall mount, jam nut, and box mount receptacles, these connectors ensure versatile connectivity. Constructed with aluminum shells and offered with different plating options, they meet stringent military specifications. The Removable Crimp Contacts (size 22D) provide secure connections, while the bayonet coupling system allows for easy mating. With a service rating of M and E, these connectors are suitable for demanding applications. Whether for box or through bulkhead mounting, they offer environment-resistant solutions.