MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an insert. With a wide operating temperature range of -65°C to 200°C, these connectors are ideal for rugged applications. Available in various shell sizes and insert arrangements, they offer versatility in design. The connectors come in high-strength aluminum shells with options for plating, including cadmium-free finishes. They are environmentally sealed and meet stringent military specifications for reliability. Suitable for wall mounting, they feature bayonet coupling for secure connections. With gold-plated contacts and removable crimp contacts, they ensure excellent conductivity. These connectors are engineered for durability, with a mating life of 500 cycles, making them a dependable choice for demanding environments.