

OEM **Graco 15K840 O‑Ring** replacement seal — essential for leak‑free operation in compatible Graco paint sprayers and systems.
| Manufacturer | Graco |
|---|---|
| Model Number | 15K840 |
| Type | O‑Ring Seal |
| Center Section Material | Elastomer (OEM spec) |
| Port Size | Machine‑specific (refer to parts diagram) |
| Air Inlet | Not applicable |
| Wetted Material | Elastomer gasket |
| Compatible Media | Paints, coatings, fluids (per Graco machine requirements) |
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