We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
PARKER Quick Connect Hose Coupling: 1/4 in Body Size, 5/16 in Hose Fitting Size - Industrial Interchange Brass Quick-Connect Air Coupling Bodies
PARKERIndustrial Interchange Brass Quick-Connect Air Coupling Bodies

PARKER Quick Connect Hose Coupling: 1/4 in Body Size, 5/16 in Hose Fitting Size

The PARKER B20-4B is an industrial interchange brass quick-connect air coupling body with a 1/4 in body size. It features a sleeve locking type and a male 5/16 in hose fitting. This coupling is designed for pneumatic…

SKU 3G-OTH-459361

Brand
PARKER
Item
Quick Connect Hose Coupling: 1/4 in Body Size, 5/16 in Hose Fitting Size
Category
Industrial Interchange Brass Quick-Connect Air Coupling Bodies
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
B20-4B
Type
Sleeve, Male
Hose Fitting Size
5/16 in
Hose Fitting Gender
Male
Coupling Locking Type
Sleeve
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 B20-4B is an industrial interchange brass quick-connect air coupling body with a 1/4 in body size. It features a sleeve locking type and a male 5/16 in hose fitting. This coupling is designed for pneumatic applications requiring a secure, quick-disconnect connection.

Frequently Asked Questions

What is the PARKER B20-4B quick connect hose coupling used for?

The PARKER B20-4B is an industrial interchange brass quick-connect air coupling body used in pneumatic systems. It provides a secure, quick-disconnect connection for air tools and hoses, enabling fast line changes without tools in manufacturing, assembly, and maintenance applications.

What are the specifications of the PARKER B20-4B coupling?

The PARKER B20-4B has a 1/4 in body size, a 5/16 in hose fitting size, and a male hose fitting gender. It uses a sleeve locking type and is made of brass. The manufacturer part number is B20-4B. It is designed for industrial interchange air coupling bodies.

Where to buy the PARKER B20-4B coupling worldwide?

3G Electric supplies the PARKER B20-4B coupling worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this genuine PARKER part for your pneumatic system needs.

How to install the PARKER B20-4B quick connect coupling?

To install the PARKER B20-4B, push the male end into the female coupler until it locks with an audible click. Ensure the hose is securely attached to the 5/16 in fitting. Depressurize the system before connection. Always follow manufacturer guidelines for safe pneumatic coupling installation.

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 industrial interchange brass quick-connect air coupling bodies. 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 Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size, Sleeve, Male (MPN B20-5BP). Key specifications — Brand: PARKER; Coupling Locking Type: Sleeve; Hose Fitting Gender: Male.
PARKER
PARKER Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size, Sleeve, Male (MPN B20-5BP). Key specifications — Brand: PARKER; Coupling Locking Type: Sleeve; Hose Fitting Gender: Male.
PARKER Quick Connect Hose Coupling: 3/4 in Body Size, 1 in Hose Fitting Size, 1"-11-1/2 Thread Size (MPN B39J). Key specifications — Brand: PARKER; Thread Size: 1"-11-1/2; Coupling Locking Type: Push-to-Connect; Hose Fitting Gender: Female.
PARKER
PARKER Quick Connect Hose Coupling: 3/4 in Body Size, 1 in Hose Fitting Size, 1"-11-1/2 Thread Size (MPN B39J). Key specifications — Brand: PARKER; Thread Size: 1"-11-1/2; Coupling Locking Type: Push-to-Connect; Hose Fitting Gender: Female.
PARKER Quick Connect Socket: 1/4 in Body Size, 1/4 in Hose Fitting Size, Ball, Hose Barb, Male (MPN 25KATP06MPN). Key specifications — Brand: PARKER; Coupling Locking Type: Ball; Hose Fitting Gender: Male.
PARKER
PARKER Quick Connect Socket: 1/4 in Body Size, 1/4 in Hose Fitting Size, Ball, Hose Barb, Male (MPN 25KATP06MPN). Key specifications — Brand: PARKER; Coupling Locking Type: Ball; Hose Fitting Gender: Male.
PARKER Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size, Sleeve, Male (MPN B20-5B). Key specifications — Brand: PARKER; Coupling Locking Type: Sleeve; Hose Fitting Gender: Male.
PARKER
PARKER Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size, Sleeve, Male (MPN B20-5B). Key specifications — Brand: PARKER; Coupling Locking Type: Sleeve; Hose Fitting Gender: Male.
PARKER Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Sleeve, Male (MPN B20-3B). Key specifications — Brand: PARKER; Coupling Locking Type: Sleeve; Hose Fitting Gender: Male.
PARKER
PARKER Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, Sleeve, Male (MPN B20-3B). Key specifications — Brand: PARKER; Coupling Locking Type: Sleeve; Hose Fitting Gender: Male.
PARKER Quick Connect Socket: 1/8 in Body Size, 1/8 in Hose Fitting Size, 1/8"-27 Thread Size, Ball (MPN 21KAAN10MPN). Key specifications — Brand: PARKER; Thread Size: 1/8"-27; Coupling Locking Type: Ball; Hose Fitting Gender: Male.
PARKER
PARKER Quick Connect Socket: 1/8 in Body Size, 1/8 in Hose Fitting Size, 1/8"-27 Thread Size, Ball (MPN 21KAAN10MPN). Key specifications — Brand: PARKER; Thread Size: 1/8"-27; Coupling Locking Type: Ball; Hose Fitting Gender: Male.
PARKER Quick Connect Hose Coupling: 1/4 in Body Size, 1/8 in Hose Fitting Size, 1/8" -27 Thread Size (MPN B23A). Key specifications — Brand: PARKER; Thread Size: 1/8" -27; Coupling Locking Type: Sleeve; Hose Fitting Gender: Female.
PARKER
PARKER Quick Connect Hose Coupling: 1/4 in Body Size, 1/8 in Hose Fitting Size, 1/8" -27 Thread Size (MPN B23A). Key specifications — Brand: PARKER; Thread Size: 1/8" -27; Coupling Locking Type: Sleeve; Hose Fitting Gender: Female.
PARKER Quick Connect Socket: 1/8 in Body Size, 1/4 in Hose Fitting Size, 1/4"-18 Thread Size, Ball (MPN 21KAAN13MPN). Key specifications — Brand: PARKER; Thread Size: 1/4"-18; Coupling Locking Type: Ball; Hose Fitting Gender: Male.
PARKER
PARKER Quick Connect Socket: 1/8 in Body Size, 1/4 in Hose Fitting Size, 1/4"-18 Thread Size, Ball (MPN 21KAAN13MPN). Key specifications — Brand: PARKER; Thread Size: 1/4"-18; Coupling Locking Type: Ball; Hose Fitting Gender: Male.