MIL-DTL-38999 Series II connectors feature a rugged design with up to 128 contacts, offering reliable connectivity in harsh environments. With a wide operating temperature range of -65°C to 200°C, these connectors are suitable for demanding applications. Available in various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility in installation. The connectors come in 9 shell sizes and 52 insert arrangements, accommodating M39029 rear release crimp contacts. Constructed with aluminum shells and offering multiple plating options, such as cadmium and electroless nickel, they ensure durability and corrosion resistance. With RoHS compliant finishes available, these connectors meet environmental standards. Suitable for military and industrial use, they are designed for long-lasting performance in challenging conditions.