MIL-DTL-38999 Series II connectors offer robust connectivity with up to 128 contacts, ensuring reliable performance in harsh environments. Featuring a wide operating temperature range from -65 °C to 200 °C, these environmentally sealed connectors are ideal for demanding applications. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. With 52 insert arrangements and M39029 rear release crimp contacts, these connectors offer flexibility in design. Constructed with durable aluminum shells and plated with options like electroless nickel and cadmium finishes, they guarantee long-lasting durability. Designed for military specifications, these connectors meet stringent quality standards, making them suitable for a wide range of applications in aerospace, defense, and industrial sectors.