Pronged fitting

A pronged fitting for connection with a tube, comprising:

• a) a body with a cross bore therethrough having one end through which said cross bore extends and with cross bore connection means for connecting said cross bore for fluid flow, and another end having:
• a tubular nozzle on which a tube can be received and through which said cross bore extends, and
• a bushing connection surface;
• b) a bushing sealingly connected to said bushing connection surface and forming, together with said tubular nozzle, an annular chamber coaxial to said cross bore;
• c) a retainer ring fitting radially closely within and able to slide axially in said annular chamber;
• d) an annular seal disposed in said annular chamber and extending between and engaging said bushing and a tube received on said tubular nozzle for providing a fluid seal therebetween;
• e) a pronged washer connected within said bushing and disposed in said annular chamber and having prongs extending radially inwardly to engage and hold a tube received on said tubular nozzle;
• and means for limiting the sliding movement of said retainer ring away from said pronged washer;
• f) said retainer ring having an extension with holes therethrough which faces said prongs of said washer so that sliding movement of said retainer ring within and axially along said annular chamber toward said prongs causes said extension to engage said prongs so as to release the hold of said prongs on a tube received on said tubular nozzle and held by said prongs and wherein said annular seal extends about said extension and through said holes with a portion of the extension extending beyond said annular seal toward said prongs of said washer for said engagement with said prongs.