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Versatile 66c-3-4 By Parker | Compression Fitting | 3/16" Tube Size Connector X 1/4" Female Pipe Thread X 3/8" Straight Thread | 11/16" Hex | 1.20" Length | Straight | Brass | Pack Of 10 Holiday Edition [xvk7om6N]

$43.99 $140.99 -69%

66C-3-4 by Parker Compression FittingIntroducing the Parker 66C-3-4 Compression Fitting, a versatile and durable solution for a wide range of industrial applications. This fitting is designed to meet the stringent requirements of SAE J-512 and is UL

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66C-3-4 by Parker Compression Fitting

Introducing the Parker 66C-3-4 Compression Fitting, a versatile and durable solution for a wide range of industrial applications. This fitting is designed to meet the stringent requirements of SAE J-512 and is UL Listed for flammable liquid, ensuring safety and reliability in demanding environments. Crafted from high-quality brass, this compression fitting offers excellent strength and resistance to corrosion, making it a long-lasting choice for your hydraulic, pneumatic, and industrial systems.
  • Meets SAE J-512 Standards
  • UL Listed for Flammable Liquids
  • Brass Construction for Strength and Durability

Technical Specifications and Features

The Parker 66C-3-4 Compression Fitting is designed to provide optimal performance with its precise 3/16" tube size connector and 1/4" female pipe thread, paired with a 3/8" straight thread. It features an 11/16" hex head for easy installation and a straight design for seamless flow. This fitting boasts a temperature range of -65° to +250° F (-53.8° to +121.1° C), making it suitable for a variety of applications, from air lines to lubrication lines and cooling systems. It is also compatible with copper, aluminum, and thermoplastic tubing, offering flexibility and convenience in system design.
  • 3/16" Tube Size Connector x 1/4" Female Pipe Thread x 3/8" Straight Thread
  • 11/16" Hex Head for Easy Installation
  • Temperature Range: -65° to +250° F (-53.8° to +121.1° C)

Applications and Benefits

Whether you're working on machinery, compressors, or fluid transfer systems, the Parker 66C-3-4 Compression Fitting is a versatile choice for professionals in industrial, packaging, pneumatic, and printing markets. Its robust design and wide compatibility make it an ideal solution for air lines, lubrication lines, cooling systems, and more. With a pack of 10 included, this fitting offers excellent value and efficiency, helping you complete your projects with ease and precision.
  • Industrial, Packaging, Pneumatic, and Printing Markets
  • Applications: Air Lines, Lubrication Lines, Cooling Systems, Machinery, Compressors, and Fluid Transfer
  • Value Pack of 10 for Efficiency and Cost-Effectiveness

What Our Customers Say

January 5, 2026

Absolutely no complaints!

This is a really good and a very, very useful tool.

- Tyra N..

January 5, 2026

Absolutely no complaints!

An excellent product. It's a total marvel.

- Sergio J..

January 5, 2026

Absolutely no complaints!

This is a very good and a very solid item.

- Heidi G..

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