The MIL-DTL-38999 Series II connectors boast up to 128 contacts in a robust insert, offering unparalleled performance in harsh environments. With a wide operating temperature range from -65 °C to 200 °C, these connectors are ideal for demanding applications. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide versatility in installation. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize durable M39029 rear release crimp contacts for reliable connectivity. Crafted with aluminum shells and offering multiple plating options, including RoHS compliant finishes, they ensure long-lasting durability. Designed for military specifications, these connectors are essential for mission-critical operations in aerospace, defense, and industrial settings.