MIL-DTL-38999 Series I connectors feature up to 128 contacts housed in an insert, providing environmental sealing and reliable performance in harsh conditions. With an operating temperature range of -65°C to 200°C, these connectors offer versatility in various applications. Available in front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they cater to diverse connectivity needs. The connectors come in 9 shell sizes and 52 insert arrangements, utilizing M39029 rear release crimp contacts in various sizes. Constructed with high-strength aluminum shells, they offer durability and longevity. Plating options include cadmium-free finishes, ensuring RoHS compliance. Suitable for military and industrial use, MIL-DTL-38999 Series I connectors guarantee secure and efficient electrical connections.