MIL-DTL-38999 Series I connectors offer a durable and versatile solution for harsh environment applications. With up to 128 contacts in an insert, these connectors are designed for reliable performance in extreme conditions, with an operating temperature range of -65 °C to 200 °C. Featuring front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide flexibility for various installation requirements. Available in 9 shell sizes and 52 insert arrangements, these connectors utilize M39029 rear release crimp contacts for secure connections. Constructed with high strength aluminum shells and offering multiple plating options, including RoHS certified cadmium-free finishes, they ensure long-lasting durability and performance. Suitable for military and industrial applications, the MIL-DTL-38999 Series I connectors are ideal for environments where reliability is paramount.