MIL-DTL-38999 Series I connectors offer rugged performance with up to 128 contacts in a sealed insert, ideal for harsh environments. Featuring various mounting options like front and rear wall mount, as well as jam nut receptacles, they ensure secure connections. These connectors, compliant with military specification MIL-DTL-38999 I, boast a wide operating temperature range from -65 °C to 200 °C. With 52 insert arrangements and M39029 rear release crimp contacts, they provide versatility for different applications. Crafted from high-strength aluminum with multiple plating options, including cadmium-free finishes, they guarantee durability. Suitable for demanding environments, these connectors, with gold-plated removable crimp contacts, ensure reliable conductivity with 500 mating cycles. RoHS compliant, they meet environmental standards while offering exceptional performance for critical operations.