MIL-DTL-38999 Series I connectors feature up to 128 contacts in a sealed insert, designed for harsh environments with an operating range of -65°C to 200°C. Available in various shell sizes and insert arrangements, they offer versatility for different applications. These connectors come in aluminum shells with options for plating, including cadmium-free finishes for RoHS compliance. With front wall mount, rear wall mount, and jam nut receptacles, they ensure secure connections. Utilizing M39029 rear release crimp contacts, they guarantee reliable performance. Meeting military specification MIL-DTL-38999 I, these circular plugs are ideal for demanding environments that require durability and high conductivity.