MIL-DTL-38999 Series I connectors offer robust 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 versatile connectivity. These connectors, complying with military specification MIL-DTL-38999 I, boast a wide operating temperature range from -65 °C to 200 °C. With 9 shell sizes and 52 insert arrangements, they accommodate M39029 rear release crimp contacts for secure connections. Constructed with high-strength aluminum shells and available in multiple plating options, including RoHS-certified finishes, they guarantee durability and reliability. Suitable for applications requiring conductivity and environmental resistance, these connectors are a dependable choice for demanding scenarios.