صامولة مع حلقة فاصلة (2 ps) De Dietrich S101155

The nut with spacer ring is a small but important fastener used in boiler and burner assemblies. It helps secure components in place while maintaining proper spacing for optimal performance. This hardware piece is often required during maintenance or replacement of burner spare parts. Using the correct nut with spacer ring ensures a secure fit and prevents loosening due to vibration or thermal expansion.