MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for rugged applications with an operating temperature range of -65 °C to 200 °C. Available in front wall mount, rear wall mount, and jam nut receptacles, they offer versatility in installation. With 52 insert arrangements and M39029 rear release crimp contacts, they ensure reliable connectivity. Constructed with high-strength aluminum shells and various plating options, including RoHS certified finishes, these connectors are suitable for harsh environments. The MS27467 model, a straight plug with 11 gold-plated contacts (size 16), boasts a bayonet coupling and is MIL-DTL-38999 I compliant. With features like electroless nickel and cadmium olive drab coating, they provide durability and performance in demanding conditions.