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Portable 1821 21 17 By Parker | Legris Unequal Adapter | 1/2" Male Bspt Thread X 3/8" Male Bspt Thread | 22 Mm Hex | 32.5 Mm Length | Straight | 316l Stainless Steel | Pack Of 2 Best Choice [rjU7hmN8]

$22.99 $73.99 -69%

1821 21 17 Parker Legris Unequal Adapter The Parker Legris Unequal Adapter, part number 1821 21 17, is a versatile and high-quality connector designed for precision applications. This adapter features a 1/2" male BSPT thread on one end and a 3/8" ma

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1821 21 17 Parker Legris Unequal Adapter

The Parker Legris Unequal Adapter, part number 1821 21 17, is a versatile and high-quality connector designed for precision applications. This adapter features a 1/2" male BSPT thread on one end and a 3/8" male BSPT thread on the other, providing a seamless connection between components with different thread sizes. Crafted from durable 316L stainless steel, it offers excellent corrosion resistance and longevity, making it ideal for various industrial and marine environments.
  • High-Quality Materials: Made from 316L stainless steel for superior strength and corrosion resistance.
  • Threaded Design: 1/2" male BSPT thread and 3/8" male BSPT thread for versatile connectivity.

Product Specifications

The 1821 21 17 adapter is equipped with a 22 mm hex head for easy installation and handling. Measuring 32.5 mm in length, it ensures a secure fit while maintaining a compact design. This unequal adapter is also available in a pack of two, providing convenience and cost-effectiveness for multiple installations. Key specifications include:
  • Thread Sizes: 1/2" male BSPT and 3/8" male BSPT.
  • Hex Head: 22 mm for easy installation.
  • Length: 32.5 mm for secure fit and compact design.

Applications and Benefits

The Parker Legris Unequal Adapter, 1821 21 17, is an essential component for a wide range of applications, including plumbing, HVAC, and marine systems. Its unequal design allows for the connection of pipes and fittings with different thread sizes, ensuring a seamless and reliable connection. With its corrosion-resistant 316L stainless steel construction, this adapter provides durability and longevity, making it an ideal choice for both residential and commercial projects. Here are some of the key benefits:
  • Versatile Connectivity: Connects pipes and fittings with different thread sizes for a wide range of applications.
  • Corrosion Resistance: 316L stainless steel construction for durability and longevity in various environments.
  • Easy Installation: 22 mm hex head for easy handling and secure installation.

What Our Customers Say

January 2, 2026

Absolutely no complaints!

A really well-engineered product.

- Nevaeh R..

January 2, 2026

Absolutely no complaints!

The best version of this I've seen.

- George G..

January 2, 2026

Absolutely no complaints!

This is a very good tool.

- Kristan J..

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