Graco 163839 Silver Flat Tip

Precision flat-fan performance with the Graco 163839 Silver Flat Tip (839)—ideal for consistent edges using a Flat Tip guard.

Series: Silver Flat Tip
Size: 839 (≈ 0.039 in orifice)
Fan Width: ~16–18 in (application-dependent)
Max Pressure: 5000 psi
Mounting: Fits Flat Tip guard (not RAC X)
Note: Verify your gun uses a Flat Tip guard before ordering.

List Price: $54.25

You save: $18.71 (34.49%)

Sale Price: $35.54

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Description

Key Details & Compatibility Notes

Compatible Machines

No official model list is published for Graco 163839. This Silver Flat Tip (839) is compatible with Graco airless spray guns/sprayers that use a Flat Tip guard (Contractor / Silver Flat Tip style) and are rated up to 5000 psi. Please confirm your gun’s guard style before ordering.

The Graco 163839 Silver Flat Tip 839 is a precision flat-fan airless tip designed for controlled pattern width and steady material flow in fine or general finish applications—ideal when you need consistent edges without switching to RAC-style tips.

Technical Specifications

Attribute	Detail
Part Number	163839
Series	Silver Flat Tip
Tip Size	839 (approx. 0.039 in orifice)
Fan Width	Approx. 16–18 in (application-dependent)
Max Working Pressure	5000 psi (≈345 bar)
Mounting Style	Back-mount in a Flat Tip guard (Contractor / Silver Flat Tip)
Typical Use	Fine / controlled finish; trim, doors, millwork, light industrial coatings (verify viscosity)

Fitment Checklist

Your spray gun uses a Flat Tip guard (not RAC X / WideRAC).
Your sprayer and hose system support up to 5000 psi.
Your coating’s viscosity and your machine’s flow capacity are appropriate for a 0.039 in orifice.

Usage Notes

Install the tip into the back of the Flat Tip guard, then thread the guard onto the gun securely.
Start with the lowest pressure that achieves a uniform pattern; increase gradually to eliminate tails.
Strain coatings and keep filters clean to maximize tip life.

Frequently Asked Questions

No. 163839 is a Silver Flat Tip for Flat Tip guards. If your gun uses RAC X / SwitchTip, you’ll need the appropriate RAC tip and guard, or an adapter if available.

The 0.039 in orifice is suitable for higher-flow applications with properly thinned paints or certain industrial finishes. Always check your coating’s technical data sheet and confirm your sprayer’s capacity.

Fan width depends on tip size, pressure, and distance from the surface. The 839 typically yields a ~16–18 in pattern; test on cardboard and adjust pressure and distance to suit your workpiece.

Keep filters clean, strain coatings, avoid dry-firing, and operate at the lowest effective pressure. Replace the tip when pattern edges lose definition or output drops.