Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

PARKER Compression Fitting Adapter: 1/4 in Pipe Fitting Size, Compression x MNPT - Creep-Resistant Self-Aligning Brass Compression Fittings
PARKERCreep-Resistant Self-Aligning Brass Compression Fittings

PARKER Compression Fitting Adapter: 1/4 in Pipe Fitting Size, Compression x MNPT

The PARKER Compression Fitting Adapter (MPN 398P-6-4) is a creep-resistant self-aligning brass compression fitting with a 1/4 in pipe fitting size, configured as Compression x MNPT. This component is part of 3G…

SKU 3G-OTH-596325

Brand
PARKER
Item
Compression Fitting Adapter: 1/4 in Pipe Fitting Size, Compression x MNPT
Category
Creep-Resistant Self-Aligning Brass Compression Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

PARKER
Manufacturer Part Number
398P-6-4
Type
Compression x MNPT, Brass
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

PARKER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PARKER Compression Fitting Adapter (MPN 398P-6-4) is a creep-resistant self-aligning brass compression fitting with a 1/4 in pipe fitting size, configured as Compression x MNPT. This component is part of 3G Electric's curated industrial offering across 14 departments, supported by specialist depth in fluid-control applications.

Frequently Asked Questions

What is a PARKER compression fitting adapter used for?

A PARKER compression fitting adapter connects tubing to threaded ports in fluid systems. This 1/4 in Compression x MNPT brass adapter creates leak-tight seals in pneumatic, hydraulic, and instrumentation lines across industrial plants, refineries, and process equipment.

What are the specifications of the PARKER 398P-6-4 compression fitting?

The PARKER 398P-6-4 is a creep-resistant self-aligning brass compression fitting adapter. It has a 1/4 in pipe fitting size with a Compression x MNPT configuration. The manufacturer part number is 398P-6-4, and it is made of brass for corrosion resistance.

Where to buy PARKER compression fittings in worldwide?

3G Electric supplies PARKER compression fittings like the 398P-6-4 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source and deliver genuine components for fluid-control applications.

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. Avoid over-tightening to prevent damage. Always verify tube support and alignment before pressurizing.

Used in

Common applications for PARKER
Injection molding machine proportional directional control — Parker solenoid coils and proportional valve cartridges for mold-closing and hydraulic actuation circuits
Construction equipment hydraulic steering and boom control — Parker directional control valves with solenoid actuation for excavator and loader hydraulic systems
Industrial press forming systems — Parker pressure-relief and proportional directional valves for tonnage control and cycle sequencing
Material-handling conveyor systems — Parker proportional control valves with solenoid pilot stages for smooth load acceleration and deceleration
Tire-building machinery — Parker solenoid-actuated directional cartridges for synchronized multi-axis hydraulic positioning
Forestry and mobile equipment — Parker valve spools and solenoid assemblies rated for harsh-environment hydraulic circuits and mobile-duty pressure cycling

PARKER 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from PARKER

View all PARKER parts
PARKER Compression Fitting Nut: 5/16 in OD Fitting Size, Compression, Brass, 10 PK (MPN 61PB-5). Key specifications — attr1195695: PARKER.
PARKER
PARKER Compression Fitting Nut: 5/16 in OD Fitting Size, Compression, Brass, 10 PK (MPN 61PB-5). Key specifications — attr1195695: PARKER.
PARKER Compression Fitting Adapter: 5/16 in OD x 1/8 in Pipe Fitting Size, Compression x MNPT, 10 PK (MPN 68P-5-2). Key specifications — attr1195695: PARKER.
PARKER
PARKER Compression Fitting Adapter: 5/16 in OD x 1/8 in Pipe Fitting Size, Compression x MNPT, 10 PK (MPN 68P-5-2). Key specifications — attr1195695: PARKER.
PARKER Compression Fitting Adapter: 1/4 in OD x 1/4 in Pipe Fitting Size, Compression x FNPT, 10 PK (MPN 66P-4-4). Key specifications — attr1195695: PARKER.
PARKER
PARKER Compression Fitting Adapter: 1/4 in OD x 1/4 in Pipe Fitting Size, Compression x FNPT, 10 PK (MPN 66P-4-4). Key specifications — attr1195695: PARKER.
PARKER Compression Fitting Nut: 1/4 in OD Fitting Size, Compression, Brass, 3/8 in Overall Lg, 10 PK (MPN 61PB-4). Key specifications — attr1195695: PARKER.
PARKER
PARKER Compression Fitting Nut: 1/4 in OD Fitting Size, Compression, Brass, 3/8 in Overall Lg, 10 PK (MPN 61PB-4). Key specifications — attr1195695: PARKER.
PARKER Compression Fitting Nut: 1/4 in OD Fitting Size, Compression, Brass, 3/8 in Overall Lg, 10 PK (MPN 61P-4). Key specifications — attr1195695: PARKER.
PARKER
PARKER Compression Fitting Nut: 1/4 in OD Fitting Size, Compression, Brass, 3/8 in Overall Lg, 10 PK (MPN 61P-4). Key specifications — attr1195695: PARKER.
PARKER Compression Fitting Elbow: 5/16 in OD x 1/8 in Pipe Fitting Size, Compression x MNPT, 10 PK (MPN 169P-5-2). Key specifications — attr1195695: PARKER.
PARKER
PARKER Compression Fitting Elbow: 5/16 in OD x 1/8 in Pipe Fitting Size, Compression x MNPT, 10 PK (MPN 169P-5-2). Key specifications — attr1195695: PARKER.
PARKER Compression Fitting Elbow: 1/2 in OD x 3/8 in Pipe Fitting Size, Compression x MNPT, 10 PK (MPN 169P-8-6). Key specifications — attr1195695: PARKER.
PARKER
PARKER Compression Fitting Elbow: 1/2 in OD x 3/8 in Pipe Fitting Size, Compression x MNPT, 10 PK (MPN 169P-8-6). Key specifications — attr1195695: PARKER.
PARKER Compression Fitting Nut: 3/8 in OD Fitting Size, Compression, Brass, 3/8 in Overall Lg, 10 PK (MPN 61PB-6). Key specifications — attr1195695: PARKER.
PARKER
PARKER Compression Fitting Nut: 3/8 in OD Fitting Size, Compression, Brass, 3/8 in Overall Lg, 10 PK (MPN 61PB-6). Key specifications — attr1195695: PARKER.