PARKER Compression Fitting Adapter: 3/8 in OD x 1/2 in Pipe Fitting Size, Compression x FNPTF
The PARKER Compression Fitting Adapter (MPN 66C-6-8) is a standard sleeve brass compression fitting, type Compression x FNPTF, supplied in a 10-pack. It connects 3/8 in OD tubing to a 1/2 in pipe fitting size. This…
SKU 3G-OTH-482167
Need installation or engineering help?
Ask a question
Product Description
The PARKER Compression Fitting Adapter (MPN 66C-6-8) is a standard sleeve brass compression fitting, type Compression x FNPTF, supplied in a 10-pack. It connects 3/8 in OD tubing to a 1/2 in pipe fitting size. This adapter is a genuine PARKER component, sourced and supported by 3G Electric across 14 industrial departments, with specialist expertise in fluid controls.
Frequently Asked Questions
What is a PARKER compression fitting adapter used for?
A PARKER compression fitting adapter connects 3/8 in OD tubing to a 1/2 in pipe fitting size. It is used in fluid power systems, instrumentation, and industrial plumbing to create leak-proof joints without welding or soldering. 3G Electric supplies this genuine PARKER component across 14 industrial departments.
What are the specifications of the PARKER 66C-6-8 compression fitting adapter?
The PARKER 66C-6-8 is a standard sleeve brass compression fitting adapter with Compression x FNPTF connection. It fits 3/8 in OD tubing and 1/2 in pipe size, supplied in a 10-pack. This genuine PARKER part is sourced by 3G Electric, with specialist expertise in fluid controls.
Where to buy PARKER compression fitting adapters worldwide?
3G Electric supplies genuine PARKER compression fitting adapters worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order the PARKER 66C-6-8 or other fluid control components across 14 industrial departments.
How to install a PARKER compression fitting adapter?
To install a PARKER compression fitting adapter, slide the nut and sleeve onto the tubing, insert the tube fully into the fitting body, then tighten the nut by hand followed by a wrench turn. Avoid overtightening. 3G Electric provides technical support for this genuine PARKER component.
Used in
Common applications for PARKERPARKER Products
3G Electric supplies PARKER standard sleeve brass compression fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









