The MIL-DTL-38999 Series I connectors offer a rugged solution for demanding environments, featuring up to 128 contacts in an insert. These connectors are designed for durability, with an operating temperature range of -65°C to 200°C. Available in various shell sizes and insert arrangements, they come in high strength aluminum shells with options for plating, including cadmium-free finishes. The family includes front wall mount, rear wall mount, and jam nut receptacles, all designed for easy installation. Utilizing M39029 rear release crimp contacts, they ensure secure connections in critical applications. With their bayonet coupling and environmental sealing, MIL-DTL-38999 I connectors are ideal for military and aerospace use, providing reliable performance in harsh conditions.