Secure your cable glands with the Techspan NN Lock Nut. Constructed from durable nylon, this lock nut features a 1/2 in NPT thread for reliable connections. It is designed to withstand a temperature range of -30 to 80 degrees Celsius and includes a neoprene seal for enhanced protection. Its black color offers a discreet finish.The Techspan NN-13-BK is a nylon lock nut with a 1/2 in NPT thread. It has a temperature rating of -30 to 80 degrees Celsius and a thickness dimension of 0.27 inches. It also features a neoprene seal.