Hose male fitting

A male hose connector comprising:

• a machined metal male end having male threads on its exterior, an inner periphery defining a flow passageway therethrough including an axially outer end and an axially inner end;
• an O-ring groove in said inner periphery and an O-ring in said O-ring groove;
• a transverse annular shoulder in said flow passageway between said axially outer end and said O-ring groove;
• a tubular stem metal sleeve having a cylindrical outer end for placement in a hose, and an insert inner end extending into said male end, said insert inner end sealingly engaging said O-ring and having a rim engaging said annular shoulder;
• and
• an axial splined connection between said male end and said sleeve comprising a plurality of circumferentially spaced axial grooves and adjacent ridges in said male end inner periphery interfitting with axially extending portions of said tubular stem metal sleeve, said circumferentially spaced axial grooves astraddle said O-ring groove.