DANFOSS / EATON COUPLING

Description & Features

Designed for efficiency in hydraulic and fluid transfer applications, the Eaton Aeroquip 5100 Series Quick Disconnect Coupling is an ideal choice for on-highway hydraulic wet lines, dump and refuse vehicles, and bulk liquid transfer. This coupling features a quick connect and disconnect mechanism, eliminating the need for special tools, while exceeding ISO 16028 operating pressures. It supports a flow rate of up to 7 gallons per minute and incorporates a 2-way valve type, ensuring reliable fluid control.

Constructed from durable brass with Buna-N seals, this coupling offers robust performance in demanding environments, withstanding temperatures as low as -40 degrees. The coupling has a male UN to female NPTF connection type with a port size of 3/8 inches, ensuring compatibility with a range of systems. Part of the Hansen sub-brand, this product reflects Eaton's commitment to high-quality industrial solutions.

SKU: 5100-S4-8B

Supplier Part Number (MPN): 5100-S4-8B

Specifications

Brand
Aeroquip® by Danfoss
Connection Size 1
3/8 in
Connection Size 2
1/2 in
Connection Style
Manual
Connection Type
FNPT
Connection Type 1
Female NPT
Connection Type 2
Female NPTF
Dimensions
2.58 in L x 2 in W x 2 in H
Finish
Zinc Trivalent
Fitting Type
Coupling
Fluid Compatibility
Oil
Hex Size
1-1/8 in
Latch Type
Screw-to-Connect
Material
Brass
Material Construction
Brass
Maximum Operating Pressure
3000 psi
Operating Temperature
-40 to 250 deg F
Seal Material
NBR
Series
5100 Series
Thread Size
3/8-18
Valve Type
2-Way

Product Questions & Answers (1)

Question by: Tommy M on Feb 20, 2026, 8:39 AM
Will this Eaton coupling hold up for hydraulic wet lines on my dump truck?
Answer by: Customer Support on Feb 21, 2026, 4:49 PM
These quick disconnect couplings are definitely suited for on-highway hydraulic wet lines, as well as dump and refuse vehicles.

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