The MIL-DTL-38999 Series I connectors offer robust connectivity with up to 128 contacts in an insert, designed for harsh environments. Featuring various mounting options like front and rear wall mount, as well as jam nut receptacles, they ensure secure installations. These connectors, compliant with military specification MIL-DTL-38999 I, operate reliably in temperatures ranging from -65 °C to 200 °C. With a range of shell sizes and insert arrangements, they accommodate diverse connectivity needs. Utilizing M39029 rear release crimp contacts, they guarantee efficient signal transmission. Made of high-strength aluminum, with plating options including electroless nickel and cadmium finishes, they provide durability and corrosion resistance. Suitable for applications requiring RoHS compliance and a service rating of M, these connectors are ideal for demanding environments where reliability is paramount.