MIL-DTL-38999 Series I connectors are designed for rugged environments, offering up to 128 contacts in a single insert. These connectors are sealed to protect against harsh conditions, with an impressive operating temperature range of -65°C to 200°C. Available in various shell sizes and insert arrangements, they feature durable aluminum shells with options for plating, including cadmium-free finishes. The connectors, compliant with military specification MIL-DTL-38999 I, come in different styles such as front and rear wall mount, jam nut receptacles, and RFI grounding plugs. Utilizing M39029 rear release crimp contacts, they ensure secure connections in aerospace, defense, and industrial applications. With gold-plated contacts and a bayonet coupling design, these connectors guarantee reliable performance even in demanding settings.