The safety nut (code K 16229) is a vital fastening component in the Adriadiesel/Jugoturbina/Zgoda/Sulzer ZV40/48 engine, designed to prevent loosening of critical connections under high-pressure and high-vibration conditions. Engineered for strength and durability, this specialized nut enhances the security of key components, ensuring stable and efficient engine operation. Its robust design makes it essential for maintaining structural integrity and preventing mechanical failures. Regular inspections and correct torque application during maintenance are crucial for preserving its effectiveness and ensuring long-term engine safety.