MIL-DTL-38999 Series I connectors offer robust performance for demanding environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range from -65 °C to 200 °C, these connectors are ideal for harsh conditions. Available in various shell sizes and insert arrangements, they accommodate M39029 rear release crimp contacts, ensuring reliable connections. The connectors come in durable aluminum shells with plating options such as cadmium and nickel, meeting stringent military specifications. Designed for jam nut mounting, these receptacles provide secure and efficient connectivity. Suitable for applications requiring high reliability, they offer optimal performance in aerospace, defense, and industrial settings.