The MIL-DTL-38999 Series I connectors are designed for harsh environments, featuring up to 128 contacts in an environmentally sealed insert. With an operating temperature range of -65°C to 200°C, they provide reliable performance in extreme conditions. Available in various shell sizes and insert arrangements, these connectors offer flexibility for different applications. Constructed with high-strength aluminum shells and offered in RoHS compliant finishes, they ensure durability and compliance with environmental standards. With options for front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide versatile connectivity solutions. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient electrical connections. Suitable for military and industrial use, the MIL-DTL-38999 Series I connectors are a reliable choice for demanding applications.