D20419-103 is a male screw lock assembly designed for D-subminiature connectors (DE9, DA15, DB25, DC37) in non-magnetic applications. It features a brass base material with gold-over-copper finish per MIL-G-45204, Type II, Class 2, ensuring corrosion resistance and non-magnetic properties. The assembly has a dimension A of 0.555 inches (14.10 mm), dimension B of 0.281 inches (7.14 mm), and dimension C of 0.067 inches (1.70 mm), with tolerances of ±0.015 inches (0.38 mm), ±0.010 inches (0.25 mm), and ±0.005 inches (0.13 mm) respectively. This screw lock ensures positive mating and is specifically designed for vibration applications, with a recommended maximum torque of 4 inch-pounds during assembly. The product is commonly used in environments requiring non-magnetic connector hardware for secure and reliable panel mounting.