Essential replacement part for airless sprayers, ensuring secure fit and long-lasting performance.
| Machine Models |
|---|
| Graco 390 PC Pro |
| Graco 395 PC Pro |
| Graco Mark V |
| Graco Mark VII |
| Graco ProX19 |
| Graco ProX17 |
Ensure seamless performance in your airless sprayer systems with the durable Graco 120553 component. Expertly engineered to integrate into professional coatings applications, this nut delivers secure fastenings under demanding workflows. Precision-cut threading and a robust stainless steel design minimize downtime and reduce maintenance, guaranteeing consistent spray quality and uniform pattern control on every use. Its compact profile allows versatile installations across a wide range of spray gun assemblies.
Ideal for high-pressure filtration setups and heavy-duty coatings operations, the Nut Center Lock 5/8-18 excels in harsh environments, providing leak-free operation even under extreme conditions. Designed for compatibility with a variety of airless sprayer models, its precision tolerances withstand elevated pressures without deforming or seizing.
Constructed from heat-treated stainless steel alloy, the lock assembly exhibits exceptional resistance to corrosion and galling. The nut undergoes multi-axis CNC machining followed by cryogenic tempering to enhance mechanical resilience. Precision grind tolerances guarantee concentricity and uniform thickness of the bearing flange, reducing vibration-induced fretting.
Performance testing demonstrates the nut maintains integrity during repeated pressure spikes, contributing to consistent spray patterns in airless systems. Empirical data shows less than 0.5% variance in output flow rate after 100,000 cycles at 3,500 psi, underscoring stringent quality control.
Apply a controlled amount of compatible thread lubricant to reduce galling risks and facilitate precise torque application. Inspect mating surfaces for burrs or damage, align the nut concentrically, and torque to manufacturer specifications. Periodically verify the seal interface and replace the nut if signs of wear appear.
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