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Graco 117402 O-Ring

The Graco 117402 O-Ring provides reliable sealing for high-pressure sprayers, ensuring consistent spray performance and reducing leakage.

  • Compatible with Graco GC1937 Series, Mark V, Mark X, Mark VII, and King Series
  • Durable nitrile (NBR) material for chemical and wear resistance
  • Maintains consistent pressure and flow rates in pump assemblies
  • Easy installation and long-lasting performance

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Graco 117402 O-Ring Details

Compatible Machines

  • Graco GC1937 Series Airless Sprayers
  • Graco Mark V High-pressure Sprayers
  • Graco Mark X Professional Coating Pumps
  • Graco Mark VII Industrial Piston Pumps
  • Graco King Series Heavy-duty Spray Systems

Product Highlights

The Graco 117402 O-Ring is a precision-engineered replacement seal for airless spray systems. It delivers consistent sealing performance, reduces leakage, and maintains optimal pressure under high-demand coating applications.

  • Durable nitrile (NBR) construction with Shore A 70 hardness
  • Precision-molded for exact OEM fit in Graco pumps
  • Resistant to solvents, waterborne coatings, and petroleum-based fluids
  • Maintains consistent spray patterns and flow rates under high pressure

Performance & Maintenance

  • Handles pressures exceeding 3000 psi
  • Inspect regularly for nicks or deformation
  • Apply compatible lubricant during installation to extend lifespan
  • Replace according to system maintenance schedules for peak efficiency

Design & Material

  • Inner diameter: 3.00 mm; cross-section: 1.78 mm ±0.05 mm
  • Compliant with ISO 3601 metric standard
  • Elastomer resists wear, abrasion, and extrusion under cyclic operation
  • Optimized compound reduces friction and maintains dimensional stability

Frequently Asked Questions

Compatible with Graco GC1937 Series, Mark V, Mark X, Mark VII, and King Series sprayers.

Yes, the 117402 O-Ring is made from durable NBR elastomer suitable for high-viscosity coatings, solvent-based, waterborne, and petroleum-based fluids.

Inspect for wear or nicks, apply compatible lubricant during installation, and replace per recommended maintenance schedules to ensure reliable sealing and spray performance.

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