PARKER Compression Fitting Adapter: 1/4 in OD x 1/8 in Pipe Fitting Size, Compression x FNPTF
The PARKER Compression Fitting Adapter (MPN 66C-4-2) is a standard sleeve brass compression fitting with a 1/4 in OD x 1/8 in pipe fitting size, configured as Compression x FNPTF and sold in a 10-pack. This adapter…
SKU 3G-OTH-481915
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Product Description
The PARKER Compression Fitting Adapter (MPN 66C-4-2) is a standard sleeve brass compression fitting with a 1/4 in OD x 1/8 in pipe fitting size, configured as Compression x FNPTF and sold in a 10-pack. This adapter enables secure connections between tubing and threaded pipe ports, supporting industrial fluid and pneumatic systems across multiple departments.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the PARKER 66C-4-2 compression fitting adapter used for?
The PARKER 66C-4-2 adapter connects 1/4 in OD tubing to 1/8 in FNPTF threaded ports, creating leak-resistant joints in industrial fluid and pneumatic systems. It is commonly used across machining, instrumentation, and hydraulic applications where reliable sealing between tube and pipe is required.
What are the specifications of the PARKER 66C-4-2 compression fitting?
This PARKER compression fitting adapter has a 1/4 in OD tube size and 1/8 in pipe fitting size, with a Compression x FNPTF configuration. It is a standard sleeve brass fitting sold in a 10-pack. The manufacturer part number is 66C-4-2.
Where to buy PARKER 66C-4-2 compression fittings worldwide?
3G Electric supplies the PARKER 66C-4-2 compression fitting adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team to place an order or request a quote for this 10-pack brass fitting.
How to install a PARKER compression fitting adapter?
To install the PARKER 66C-4-2, slide the nut and sleeve onto the tubing, then insert the tube fully into the fitting body. Tighten the nut by hand, then use a wrench for an additional 1/4 to 1/2 turn. Avoid overtightening to prevent damage to the brass sleeve or threads.
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.









