The 7211-497 is a polyamide locknut designed for NPT 3/4" threaded connections in industrial and electrical applications. Manufactured from polyamide 6 with 25% glass fiber reinforcement and stainless steel components, it provides excellent chemical resistance and durability. The locknut features a thickness (E) of 6.5 mm and a socket width (SW) of 36 mm, conforming to DIN 46320 standards. It operates reliably across a temperature range of -40°C to 100°C (-40°F to 212°F), making it suitable for both indoor and outdoor installations. The 7211-497 is commonly used in cable glands, electrical enclosures, and control panel assemblies where secure fastening and environmental protection are required.