MIL-DTL-38999 Series II connectors, designed for harsh environments, offer up to 128 contacts within an insert. With front and rear wall mount options, as well as jam nut and box mount receptacles, they provide versatility in installation. Available in 9 shell sizes and 52 insert arrangements, these connectors feature M39029 rear release crimp contacts for secure connections. Constructed with aluminum shells and various plating options, including RoHS certified finishes, they ensure durability and reliability. Operating in temperatures ranging from -65 °C to 200 °C, these connectors are suitable for a wide range of applications, meeting stringent military specifications.