MIL-DTL-38999 Series I connectors, designed for rugged environments, feature up to 128 contacts in an insert, with a wide operating temperature range of -65°C to 200°C. Available in various configurations, including front wall mount, rear wall mount, and jam nut receptacles, they offer versatility in installation. These connectors, compliant with Military Specification MIL-DTL-38999 I, utilize durable aluminum shells with options for different plating finishes, ensuring reliable performance. With M39029 rear release crimp contacts, they provide secure connections in demanding applications. The series includes environmentally sealed options, meeting stringent requirements for protection. Suitable for military and aerospace use, these connectors are built to withstand harsh conditions with their robust construction and high-quality materials.