MIL-DTL-38999 Series I connectors are designed for demanding environments, offering up to 128 contacts in a single insert. With a wide operating temperature range of -65°C to 200°C, these connectors are sealed for maximum protection. Available in various shell sizes and insert arrangements, they feature durable aluminum shells with options for plating finishes including cadmium-free choices. The connectors, compliant with military specification MIL-DTL-38999 I, come in wall mounting configurations with bayonet coupling for secure connections. Utilizing M39029 rear release crimp contacts, they ensure reliable performance in harsh conditions. An ideal choice for applications requiring rugged connectivity, these connectors are built to withstand 500 mating cycles and provide reliable conductivity.