A coupling for providing a connection and establishing fluid communication between fluid lines is provided. The coupling includes a housing defining an internal cavity with an open end, and a male component engageable within the internal cavity through the open end. The male component has a shank portion adapted to engage a fluid line. The coupling also has a nut securable to the housing and adapted to surround a portion of the shank portion and radially and axially restrain the shank portion within the internal cavity. The nut is further adapted to allow the male component to rotate with respect to the housing and the nut about a longitudinal axis of the shank portion. The coupling further includes a sealing ring provided about the shank portion which is adapted to at least partially block axial and radial movement of the male component relative to the nut and the housing.