DE512241 is a sliding lock retainer assembly designed for D-subminiature connectors, specifically for the DE shell size (9-pin layout). The kit consists of 1 sliding lock plate, 2 mounting screws, 2 lock washers, and 2 hex nuts, with mounting screws featuring #4-40 NC-2A threads. The sliding lock plate is constructed from stainless steel with passivated finish, while the mounting screws are steel with trivalent finish, and lock washers are steel with chromate over zinc finish. Dimensional specifications include a travel reference of 2.36 mm (0.093 inch), screw spacing of 2.84 mm (0.112 inch), and mounting hole spacing of 3.66 ± 0.38 mm (0.144 ± 0.015 inch). This assembly ensures positive mating and provides reliable locking and latching for high vibration applications, making it ideal for secure connector installations in demanding environments.