Patent ID: 7600789

Claim:
A connection comprising: a connector having a rearward sealing surface; a generally annular coupler extending intermediate a coupler forward end, and having a coupler outer peripheral surface, and a series of engagement portions disposed circumferentially about at least a section of the coupler outer peripheral surface; a generally annular nut receivable coaxially over the coupler peripheral surface, the nut extending intermediate a nut forward end, and having a nut inner peripheral surface and a nut outer peripheral surface, and an opening extending through the nut inner and outer peripheral surface; and a locking mechanism having an end received through the opening in the nut, the locking assembly end being interferingly engageable with the coupler engagement portions, wherein the nut rearward end is received coaxially over the coupler outer peripheral, and the nut forward end is threadedly engaged with the connector urging the coupler forward end into a sealing engagement with the connector sealing surface, wherein with the coupler forward end being so engaged with the connector sealing surface, the locking mechanism end is interferingly engaged with at least one of the coupler engagement portions delimiting the rotation of the nut relative to the connector, and wherein the locking mechanism comprises a spring ring, the spring ring having a body portion received over the nut outer peripheral surface, and an end portion which comprises the locking mechanism end.