The MIL-DTL-38999 Series II connectors are designed for harsh environments, offering up to 128 contacts within an insert for reliable connectivity. With front and rear wall mount options, as well as jam nut and box mount receptacles, they provide versatile installation possibilities. These connectors feature a durable aluminum shell and various plating options, including cadmium-free finishes for RoHS compliance. Operating between -65 °C and 200 °C, they are suitable for a wide range of applications. Utilizing M39029 rear release crimp contacts, they ensure secure connections with sizes 22D, 22M, 22, 20, 16, and 12. With EMI/RFI shielding and gold contact plating, they offer excellent signal integrity. Meeting MIL-DTL-38999 II military specifications, these connectors are ideal for demanding environments requiring rugged and reliable performance.