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Graco 126081 Nipple Fitting 3/8-18 x #6 JIC

The Graco 126081 Nipple Fitting provides a secure, high-pressure connection between 3/8-18 threads and #6 JIC swivel ends, ensuring reliable fluid flow in sprayers and hydraulic systems.

  • Corrosion-resistant brass, tool steel, or 316 stainless alloy
  • High-pressure rating exceeding 12,000 psi
  • Precision-machined JIC flare for leak-free sealing
  • Compact design suitable for tight manifolds

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Graco 126081 Nipple Fitting Overview

Compatible Machines

  • Graco Airless Sprayers with 3/8-18 and #6 JIC connections
  • Industrial fluid delivery systems
  • Automotive paint lines and high-performance hydraulic systems

Key Features

  • 3/8-18 thread to #6 JIC swivel end
  • Corrosion-resistant brass or stainless steel construction
  • High-pressure capability with burst pressures exceeding 12,000 psi
  • Precision-machined for minimal turbulence and flow continuity
  • Compact footprint for integration into dense manifolds
  • Metal-to-metal 37-degree JIC flare seat ensures leak-free sealing

Technical Specifications

Specification Detail
Part Number 126081
Material Brass, corrosion-resistant tool steel, or 316 stainless alloy
Dimensions 0.8 in length × 0.75 in width, volume 0.001 ft³
Connection Type 3/8-18 external thread to #6 JIC swivel
Thread Tolerance ±0.001 in on pitch diameter
Burst Pressure Exceeds 12,000 psi

Benefits

The Graco 126081 Nipple Fitting ensures secure connections, prevents leaks, maintains consistent fluid flow, and supports long-term reliability in high-pressure coatings and hydraulic applications.

Installation & Maintenance

  • Hand-tighten plus 1–2 turns with calibrated torque wrench
  • Recommended torque: 20 ft-lb (stainless), 25 ft-lb (alloy steel)
  • No O-rings required; optional thread sealant for ultra-low viscosity fluids
  • Regular inspection of threads and seat surface recommended
  • Replace after 10,000 service hours or if seal wear is detected

Frequently Asked Questions

It provides a secure high-pressure connection between 3/8-18 threads and #6 JIC swivel ends, ensuring reliable fluid flow in airless sprayers and industrial systems.

It is available in corrosion-resistant brass, tool steel, or 316 stainless alloy for durability and chemical resistance.

Hand-tighten and then add 1–2 turns with a calibrated torque wrench, ensuring proper alignment of the JIC flare seat without over-stressing threads.

With proper installation and maintenance, the fitting can last over 10,000 service hours before replacement is recommended.

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