Do it 3/4" Male Snap On Hose Coupling Faucet Adapter - Gillman Home Center
Nick Martin - “Jones Snap” couplings, a little engine company throwback found in NJ. These used to be on our 3” lines and the sides of the hydrants in the area I
Advanced Drainage Systems 4 in. Singlewall External Snap Coupler 0412AA - The Home Depot