MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts, designed for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, they ensure secure installations. These connectors, compliant with military specification MIL-DTL-38999 I, are constructed with high-strength aluminum shells and various plating choices, including cadmium-free finishes. With an operating temperature range from -65 °C to 200 °C, they guarantee reliable performance in extreme conditions. Utilizing M39029 rear release crimp contacts, they come in 9 shell sizes and 52 insert arrangements, accommodating diverse applications. Suitable for aerospace, military, and industrial sectors, these connectors provide durable and efficient electrical connections.