MIL-DTL-38999 Series I connectors offer rugged reliability with up to 128 contacts, ideal for harsh environments. Featuring front wall mount, rear wall mount, and jam nut receptacles, they ensure secure connections. Operating between -65 °C and 200 °C, these connectors are environmentally sealed for protection. With various plating options available, including cadmium-free finishes, they meet RoHS certification standards. Constructed with high-strength aluminum shells and utilizing M39029 rear release crimp contacts, they guarantee durability. Suitable for military and industrial applications, these connectors are essential for maintaining connectivity in demanding conditions.