PARKER Compression Fitting Adapter: 1/2 in OD x 3/8 in Pipe Fitting Size, Compression x FNPT
The PARKER Compression Fitting Adapter (MPN 66P-8-6) is a creep-resistant self-aligning brass compression fitting, type Compression x FNPT, supplied in a 10-pack. It accommodates a 1/2 in OD tube and a 3/8 in pipe…
SKU 3G-OTH-596257
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Product Description
The PARKER Compression Fitting Adapter (MPN 66P-8-6) is a creep-resistant self-aligning brass compression fitting, type Compression x FNPT, supplied in a 10-pack. It accommodates a 1/2 in OD tube and a 3/8 in pipe fitting size. This adapter is designed for reliable sealing in industrial fluid systems.
Frequently Asked Questions
What is a PARKER compression fitting adapter used for?
A PARKER compression fitting adapter connects 1/2 in OD tubing to a 3/8 in FNPT port, creating a leak-resistant seal in industrial fluid systems. Its creep-resistant, self-aligning brass design suits pneumatic, hydraulic, and instrumentation applications where reliable sealing under pressure is required.
What are the specifications of the PARKER 66P-8-6 compression fitting adapter?
The PARKER 66P-8-6 is a compression x FNPT adapter with a 1/2 in OD tube size and 3/8 in pipe fitting size. It is made of creep-resistant, self-aligning brass and comes in a 10-pack. This fitting is designed for durable sealing in industrial fluid systems.
Where to buy PARKER compression fitting adapters worldwide?
3G Electric supplies PARKER compression fitting adapters worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine PARKER fittings like the 66P-8-6 and deliver them to your facility, ensuring compliance with international shipping requirements.
How to install a PARKER compression fitting adapter?
To install a PARKER compression fitting adapter, slide the nut and ferrule onto the tube, insert the tube fully into the fitting body, then tighten the nut by hand followed by a wrench turn. Avoid overtightening to prevent damage. Always verify tube OD and thread compatibility before assembly.
Used in
Common applications for PARKERPARKER Products
3G Electric supplies PARKER creep-resistant self-aligning brass compression fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









