TE Connectivity / Raychem Brand part NB13504001, also known as RNF-100-3/8-BK-FSP, is a high-quality black heat shrinkable tubing. This tubing is specifically designed to provide efficient insulation and protection for electrical connections and cables. Made from durable materials, it is resistant to heat, chemicals, and abrasion, ensuring long-lasting performance even in harsh environments. With a 3/8 size, it offers a versatile solution for various applications, such as automotive, aerospace, and electronics. The tubing is easy to install, as it shrinks when heat is applied, creating a tight seal around the wires or components. Trust TE Connectivity / Raychem Brand NB13504001 to provide reliable and efficient insulation for your electrical needs.