The 122486-10 is a TNC female cap with chain designed to protect TNC female connectors from dust and contamination. The connector features a brass body with nickel finish, a brass chain with nickel finish, and a brass rivet, providing corrosion resistance and durability. The cap is threaded with a 7/16–28 UNEF–2A thread specification and has a body length of 17.00 mm (0.670 inches) with a diameter of 14.00 mm (0.552 inches). The attached chain enables secure tethering to prevent loss of the cap during field operations. This product is commonly used in RF and microwave applications where connector protection and reliability are essential, such as in telecommunications, test equipment, and military systems.