340103209B is a screwlock sub-assembly designed for rear panel mounting applications in high-reliability MDM (Microminiature) connectors, specifically configured for panel thickness of 1.60 mm (0.063 inch). This component is part of the new version screwlock assembly for rear panel mounting and is composed of 2 screwlocks, 2 washers, and 2 nuts, with a total weight not exceeding 1.20 g per pair. The assembly features thread specifications of 2-56 UNC-2A and 2-56 UNC-2B, with critical dimensions including a length of 11.60 mm (+0.20/-0.30 mm), diameter ØZ of 4.55 ± 0.03 mm, and ØQ of 3.10 ± 0.03 mm. Torque specifications are 0.44 to 0.48 Nm for the male side and 0.28 to 0.32 Nm for the female side, ensuring secure and reliable connections in space, medical, and high-performance military/aerospace applications where ESA qualification and stringent outgassing requirements are mandated.