Spray medium to thinner coatings efficiently with the **Graco AAP421 Spray Tip (AIP421)**, perfect for walls, ceilings, trim, and general painting projects.
The **Graco AAP421 Spray Tip (AIP421)** is a genuine airless spray accessory featuring a **0.021″ orifice** and an approximately **8–10″ fan width**, engineered to offer reliable medium‑flow performance with a consistent spray pattern. It’s designed for use with Graco RAC X / RAC 5 style tip guards and works well on walls, ceilings, and medium surfaces with thinner to medium coatings. :contentReference[oaicite:0]{index=0}
This spray tip fits on a range of Graco sprayers and guns that accept RAC X or RAC 5 tip guards supporting 421‑series tips:
| Specification | Details |
|---|---|
| Part Number | AAP421 / AIP421 |
| Orifice Size | 0.021″ – medium flow |
| Fan Width | 8–10″ pattern |
| Tip Style | RAC X / RAC 5 spray tip with Reverse‑A‑Clean design |
| Application | Medium to thinner coatings – paints, stains, sealers |
This tip works well with medium to thinner viscosity coatings like interior/exterior paints, stains, and sealers. Adjust pressure and spraying technique to match the material’s requirements for best results. :contentReference[oaicite:1]{index=1}
Check your sprayer or gun manual for compatibility with **RAC X HandTite or RAC 5** tip guards that support size “421” tips. If the guard lists 421 size, this tip will fit and perform correctly. :contentReference[oaicite:2]{index=2}
After use, flush the tip with suitable solvent and use the reversible feature to clear blockages. Regular cleaning extends tip life and maintains a consistent spray pattern. :contentReference[oaicite:3]{index=3}
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