The 142189 is an SMB snap lock plug connector designed for use with AT&T 735A cable assemblies. It features a brass body with nickel finish, a beryllium copper contact pin with gold plating, and a PTFE insulator, providing reliable RF connectivity and corrosion resistance. The connector incorporates a crimped ferrule with hex crimp size of 0.178" (4.52 mm) and contact pin-to-solder termination, with recommended cable stripping dimensions of 2.00 mm to 2.30 mm. Key dimensional specifications include an overall length of 22.90 mm (0.902 inches), body diameter of 5.40 mm (0.213 inches), and ferrule outer diameter of 5.10 mm (0.201 inches). This connector is commonly used in telecommunications and RF applications requiring secure snap-lock coupling with AT&T 735A cable systems.