The Graco 181251 Nut, Packing is a factory‑spec packing nut that maintains seal compression and prevents fluid bypass in high‑pressure pump assemblies.
The Graco 181251 Nut, Packing is designed to secure packings and maintain proper seal compression in high‑pressure pump assemblies.
The nut, packing delivers reliable sealing pressure and helps prevent fluid bypass around moving pump components. Its durable construction supports extended service life in demanding spray applications. :contentReference[oaicite:2]{index=2}
Use this OEM packing nut to ensure stable sealing performance and reduce the frequency of maintenance intervals. :contentReference[oaicite:3]{index=3}
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