The MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65°C to 200°C. Available in various mounting options including front and rear wall mount, they ensure secure connections with bayonet coupling. These connectors, compliant with military specification MIL-DTL-38999 I, offer versatility with 52 insert arrangements and M39029 rear release crimp contacts. Constructed with high-strength aluminum shells and offering a choice of plating options, they guarantee durability and reliable performance. With RoHS certified finishes available, these connectors are ideal for applications requiring rugged and reliable electrical connectivity.