Abstract: A paint spraying nozzle assembly includes a housing having a top wall, a bottom wall a peripheral wall that has a peripheral outer shoulder such that the bottom wall has a greater diameter than the top wall. An opening extends through the bottom and top walls. The opening includes a top portion having a smaller diameter than a bottom portion of the opening. The top wall has a slot therein and the opening extends into the slot. An insert is mounted within the opening. The insert includes an upper section positioned within the top portion and a lower section positioned within the bottom portion. A bore extends through the insert and is aligned with the opening. The housing may be positioned in a retaining nut and secured against a spray gun head such that paint ejected outwardly of the spray gun travels through the bore and outward of the slot.