PARKER Compression Fitting Adapter: 3/8 in OD x 1/4 in Pipe Fitting Size, Compression x FNPTF
The PARKER Compression Fitting Adapter (MPN 66CA-6-4) is a self-aligning brass compression fitting, type Compression x FNPTF, supplied in a 10-pack. It connects 3/8 in OD tubing to a 1/4 in pipe fitting size. 3G…
SKU 3G-OTH-470623
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Product Description
The PARKER Compression Fitting Adapter (MPN 66CA-6-4) is a self-aligning brass compression fitting, type Compression x FNPTF, supplied in a 10-pack. It connects 3/8 in OD tubing to a 1/4 in pipe fitting size. 3G Electric interprets your demand for this genuine PARKER component, sources it, and supports your application across 14 industrial departments — with specialist depth in combustion, pumps, and controls as an authorised distributor.
Frequently Asked Questions
What is the PARKER 66CA-6-4 compression fitting adapter used for?
The PARKER 66CA-6-4 is a self-aligning brass compression fitting adapter used to connect 3/8 in OD tubing to a 1/4 in pipe fitting size. It is commonly applied in pneumatic, hydraulic, and instrumentation systems where a leak-tight, vibration-resistant joint is required. 3G Electric supplies this genuine PARKER component for industrial maintenance and new installations.
What are the specifications of the PARKER 66CA-6-4 compression fitting?
The PARKER 66CA-6-4 is a brass compression fitting adapter with type Compression x FNPTF. It connects 3/8 in OD tubing to a 1/4 in pipe fitting size and is supplied in a 10-pack. The manufacturer part number is 66CA-6-4. 3G Electric sources this genuine PARKER component for your application.
Where to buy PARKER 66CA-6-4 compression fittings worldwide?
3G Electric supplies the genuine PARKER 66CA-6-4 compression fitting adapter worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we interpret your demand, source the correct PARKER component, and support your application across 14 industrial departments.
How to install a PARKER compression fitting adapter?
To install a PARKER compression fitting adapter, cut tubing squarely, deburr the end, and 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 per manufacturer guidelines. 3G Electric can provide application support for this genuine PARKER component.
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Common applications for PARKERPARKER Products
3G Electric supplies PARKER self-aligning brass compression fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









