PARKER Compression Fitting Adapter: 3/8 in OD x 1/4 in Pipe Fitting Size, Compression x FNPT
The PARKER Compression Fitting Adapter (MPN 66P-6-4) is a creep-resistant self-aligning brass compression fitting, type Compression x FNPT, in a 10-pack. It connects 3/8 in OD tubing to 1/4 in pipe fittings. 3G…
SKU 3G-OTH-596321
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Product Description
The PARKER Compression Fitting Adapter (MPN 66P-6-4) is a creep-resistant self-aligning brass compression fitting, type Compression x FNPT, in a 10-pack. It connects 3/8 in OD tubing to 1/4 in pipe fittings. 3G Electric interprets your demand for genuine industrial fittings, sourcing this PARKER adapter across our 14 departments, with specialist depth in fluid controls to support your application.
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 66P-6-4 compression fitting adapter used for?
The PARKER 66P-6-4 adapter connects 3/8 in OD tubing to 1/4 in FNPT pipe threads. It is used in fluid power and pneumatic systems where a leak-tight, creep-resistant brass connection is needed. 3G Electric sources this genuine PARKER fitting across 14 industrial departments, with specialist depth in fluid controls.
What are the specifications of the PARKER 66P-6-4 compression fitting?
This PARKER compression fitting adapter has a 3/8 in OD tube size and 1/4 in FNPT pipe thread. It is a creep-resistant self-aligning brass compression x FNPT type, sold in a 10-pack. The manufacturer part number is 66P-6-4. 3G Electric supplies this genuine PARKER fitting for worldwide delivery.
Where to buy PARKER 66P-6-4 compression fittings worldwide?
3G Electric supplies the genuine PARKER 66P-6-4 compression fitting adapter worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source this fitting across 14 departments, with specialist expertise in fluid controls to support your application.
How to install a PARKER compression fitting adapter?
To install a PARKER compression fitting adapter, slide the nut and ferrule onto the tubing, insert the tube fully into the fitting body, then tighten the nut by hand followed by a wrench turn per manufacturer guidelines. Avoid overtightening to prevent damage. 3G Electric can provide generic best-practice guidance for your application.
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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.









