MIL-DTL-38999 Series I connectors offer ruggedized performance with up to 128 contacts in an environmentally sealed insert. Operating within a wide temperature range from -65°C to 200°C, these connectors are ideal for harsh environments. Featuring front and rear wall mount options, as well as jam nut receptacles, they provide versatile installation solutions. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and reliable connections. With various plating options available, including RoHS certified finishes, they offer enhanced durability. Conforming to military specification MIL-DTL-38999 I, these circular connectors are designed for demanding applications requiring high strength and conductivity.