Spacer m4x40mm m-f De Dietrich 7619896

The Spacer m4x40mm m-f is a male-to-female spacer with M4 threading and 40mm length, used in boiler and burner assemblies to create distance between components. This hardware piece ensures correct alignment and stability in heating equipment, making it a useful spare part for repair and maintenance tasks. It helps prevent metal-on-metal contact and reduces wear.