The MIL-DTL-38999 Series I connectors feature up to 128 contacts in an insert, offering durable environmental sealing for a wide range of applications. With an operating temperature range spanning from -65°C to 200°C, these connectors are designed to withstand harsh conditions. Available in various shell sizes and insert arrangements, they utilize M39029 rear release crimp contacts, ensuring reliable connectivity. Constructed with high-strength aluminum shells and offering multiple plating options, including RoHS certified finishes, these connectors provide exceptional performance and versatility. The series includes front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, catering to diverse mounting needs. Trusted for military and industrial applications, MIL-DTL-38999 Series I connectors are ideal for demanding environments requiring secure and efficient electrical connections.