PARKER Compression Fitting Adapter: 1/8 in Pipe Fitting Size, Compression x MNPT
The PARKER Compression Fitting Adapter (MPN 398PD-4-4) is a creep-resistant self-aligning brass compression fitting with a 1/8 in pipe fitting size and Compression x MNPT configuration. 3G Electric interprets…
SKU 3G-OTH-596311
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Product Description
The PARKER Compression Fitting Adapter (MPN 398PD-4-4) is a creep-resistant self-aligning brass compression fitting with a 1/8 in pipe fitting size and Compression x MNPT configuration. 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments — with specialist depth in combustion, pumps and controls — ensuring you get the right answer, not just a catalog.
Frequently Asked Questions
What is the PARKER 398PD-4-4 compression fitting adapter used for?
The PARKER 398PD-4-4 is a creep-resistant self-aligning brass compression fitting adapter used to connect tubing to male NPT threads in industrial fluid systems. It is common in pneumatic, hydraulic, and instrumentation applications where a leak-tight seal is required.
What are the specifications of the PARKER 398PD-4-4?
The PARKER 398PD-4-4 is a Compression x MNPT brass adapter with a 1/8 in pipe fitting size. It is creep-resistant and self-aligning. The manufacturer part number is 398PD-4-4. 3G Electric supplies this genuine PARKER component for industrial systems worldwide.
Where to buy the PARKER 398PD-4-4 compression fitting adapter worldwide?
3G Electric supplies the PARKER 398PD-4-4 compression fitting adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this genuine PARKER component.
How to install a PARKER compression fitting adapter?
To install a PARKER compression fitting adapter, ensure the tubing is cut square and deburred. Slide the nut and ferrule onto the tube, insert the tube fully into the fitting, and tighten the nut by hand, then use a wrench for the final turn. Do not overtighten.
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.









