The 242130RP is an N plug to TNC reverse polarity jack adaptor designed for RF and microwave interconnect applications. The adaptor features a brass body with nickel finish, a brass contact pin with nickel plating, and a Teflon insulator, providing reliable electrical performance and durability. The gasket is constructed from silicone with a red finish for secure sealing. Key dimensional specifications include an outer diameter of 21.00 mm (0.827 inches), a length of 35.78 mm (1.410 inches), and a 7/16–28 UNEF–2A thread specification with an inner diameter of 18 mm (0.712 inches). This adaptor is commonly used in RF test equipment, antenna systems, and communication infrastructure where impedance matching and connector compatibility between N and TNC standards are required.