D38999/26WB35PN is a MIL-DTL-38999 Series III circular connector designed for military, aerospace, and harsh environment applications. This connector features a 35-contact insert arrangement with a shell size 26 and is configured with pin contacts in a normal keying position. The connector utilizes corrosion-resistant olive drab cadmium plate aluminum construction (W service class) with 500-hour extended salt spray protection and EMI shielding effectiveness of -50dB@10 GHz minimum, rated to 175°C. The design supports both crimp and solder termination options, with contact sizes including 22D, 22M, 16, 12, 10, and 8 gauge configurations for power, coaxial, and signal applications. This connector is widely used in military stores management systems, avionics, and other demanding aerospace interconnect applications requiring reliable performance under extreme environmental conditions.