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Graco 17W150 Jam Nut Left-Hand 5/8-11 replaces Graco LHJN.625-11

The Graco 17W150 Nut, Jam, LH, 5/8‑11 is a left‑hand jam nut used for locking threaded assemblies on compatible Graco industrial sprayers and surface prep systems. 

  • Left‑hand thread lock nut
  • Prevents vibration loosening
  • OEM part

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Compatible Machines & Overview — Graco 17W150 Nut, Jam, LH, 5/8‑11

Compatible Machines

  • Graco industrial sprayers and surface prep models needing left‑hand lock nuts
  • Assemblies exposed to vibration requiring secure locking
  • Machines referencing 17W150 in OEM parts lists

Product Overview

The Graco 17W150 Nut, Jam, LH, 5/8‑11 is a left‑hand jam nut that secures threads and prevents loosening due to vibration. Its left‑hand threads tighten counterclockwise and are used in assemblies where a conventional nut won’t suffice. 

Feature Details
Product Name Graco 17W150 Nut, Jam, LH, 5/8‑11
Thread 5/8‑11 Left‑hand
Use Locking against vibration

Installation Notes

  • Tighten against mating nut to lock position.
  • Verify correct LH thread orientation before use.

Frequently Asked Questions

Left‑hand jam nuts are used in applications where standard right‑hand threads may loosen from vibration or where assembly design demands counterclockwise tightening.

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