Based on this product's specifications, here are some alternatives and similar models
Lapp Skindicht MR-M M25/M20 Brass Lock Nut, Nickel-Plated, 50 Pieces
Summary description:
The Lapp Skindicht MR-M (52104314) is a high-quality nickel-plated brass lock nut designed for secure cable gland installations. Featuring M25 to M20 thread reduction, this durable component ensures reliable mechanical stability in industrial electrical systems. The pack contains 50 pieces, providing a professional solution for cable management and secure fastening in various technical applications.