Metallic fitting made of malleable iron with silver finish. Provides high quality bond between fitting or pipe to the union. Provided with resilient seal. Resilient seal subjected to controlled deformation; positive seal and reusability are assured. Unique design centralizes throat openings of threaded hub and union. Permits orientation of fitting in any predetermined direction for a safe, functional and neat assembly. To couple threaded end of a fitting or a pipe to a tapped opening in a box or enclosure where rotation of fitting or pipe is limited or restricted.