This nickel plated brass locking nut, part number NP-13-BE, is designed to provide electromagnetic interference (EMI) and radio frequency interference (RFI) protection. With a PG 13/13.5 size, this locking nut is ideal for applications where a secure, shielded connection is needed. Made from durable and corrosion-resistant materials, this locking nut is designed to ensure a reliable and long-lasting connection in electronic and electrical systems.