The MIL-DTL-38999 Series II connectors are designed for rugged environments, boasting up to 128 contacts in an insert that ensures reliable connectivity. With a wide operating temperature range of -65 °C to 200 °C, these connectors are ideal for harsh conditions. Available in various mounting styles like front wall mount, rear wall mount, jam nut, and box mount, they offer versatility in installation. Featuring aluminum shells with plated options including cadmium-free finishes, they are built for durability. Utilizing M39029 rear release crimp contacts, these connectors ensure secure connections. Their bayonet coupling mechanism and gold-plated contacts guarantee high performance and longevity, making them suitable for military and industrial applications requiring robust electrical connections.