This 1-3/4" 20 spline female PTO to 1-3/8 6 spline male spline adapter type H/D 125HP is a conduit/piping fitting in industrial equipment. It joins, adapts, or routes conduit, tubing, or piping runs, providing a secure and often sealed connection between sections. It is commonly in conduit and tubing systems requiring secure, code-compliant connections.
