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HANSEN Hydraulic Quick Connect Hose Coupling: 3/8 in Coupling Size, 316 Stainless Steel - HK Series Hydraulic Quick-Connect Coupling Plugs
HANSENHK Series Hydraulic Quick-Connect Coupling Plugs

HANSEN Hydraulic Quick Connect Hose Coupling: 3/8 in Coupling Size, 316 Stainless Steel

The HANSEN HK Series Hydraulic Quick-Connect Coupling Plug (MPN ML3K21) is a 3/8 in coupling-size hose coupling made from 316 Stainless Steel. It features a 3/8"-18 FNPT thread connection. This product is designed…

SKU 3G-OTH-450747

Brand
HANSEN
Item
Hydraulic Quick Connect Hose Coupling: 3/8 in Coupling Size, 316 Stainless Steel
Category
HK Series Hydraulic Quick-Connect Coupling Plugs
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

HANSEN
Manufacturer Part Number
ML3K21
Type
FNPT
Thread Size
3/8"-18
Body Material
316 Stainless Steel
Stainless Steel
316

Technical Documents

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

Product Description

The HANSEN HK Series Hydraulic Quick-Connect Coupling Plug (MPN ML3K21) is a 3/8 in coupling-size hose coupling made from 316 Stainless Steel. It features a 3/8"-18 FNPT thread connection. This product is designed for hydraulic quick-connect applications.

Frequently Asked Questions

What is the HANSEN ML3K21 hydraulic quick-connect coupling used for?

The HANSEN ML3K21 is a 3/8 in coupling-size hydraulic quick-connect hose coupling used in fluid power systems for rapid connection and disconnection of hydraulic lines. Its 316 stainless steel body resists corrosion, making it suitable for industrial, marine, and chemical applications where durability and leak-free performance are required.

What are the specifications of the HANSEN ML3K21 coupling?

The HANSEN ML3K21 is a 3/8 in coupling-size hydraulic quick-connect coupling plug with a 3/8"-18 FNPT thread. It is made from 316 stainless steel for corrosion resistance. This HK Series component is designed for hydraulic quick-connect applications and is manufactured by HANSEN under MPN ML3K21.

Where to buy the HANSEN ML3K21 coupling worldwide?

3G Electric supplies the HANSEN ML3K21 hydraulic quick-connect coupling to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this 316 stainless steel FNPT coupling for your hydraulic system needs.

How to install the HANSEN ML3K21 hydraulic coupling?

To install the HANSEN ML3K21, ensure the mating coupler and threads are clean and free of debris. Apply thread sealant to the 3/8"-18 FNPT connection and tighten to the manufacturer's recommended torque. Always depressurize the hydraulic system before connection or disconnection to prevent fluid injection injury.

Used in

Common applications for HANSEN
Hydraulic systems — HANSEN FF Series push-to-connect couplings for quick line changes in manufacturing equipment
Medical gas delivery — HANSEN oxygen quick-disconnect plugs with hose barb connections for hospital gas outlets
Pneumatic tool lines — HANSEN sleeve-lock couplings for air tools in assembly plants
Oil and gas transfer — HANSEN steel-bodied couplings for high-flow hydraulic circuits in drilling rigs
Tool organization — HANSEN socket trays and wrench racks for maintenance shop storage

HANSEN Products

3G Electric supplies HANSEN hk series hydraulic quick-connect coupling plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
SAFEWAY HYDRAULICS Hydraulic Quick Connect Hose Coupling: 1/4 in Coupling Size, Steel, Female, NPT (MPN S31-2P)
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SAFEWAY HYDRAULICS Hydraulic Quick Connect Hose Coupling: 1/4 in Coupling Size, Steel, Female, NPT (MPN S31-2P)
PARKER Hydraulic Quick Connect Hose Coupling: 1/2 in Coupling Size, 316 Stainless Steel, Nitrile (MPN S71-3C8-8EF)
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PARKER Hydraulic Quick Connect Hose Coupling: 1/2 in Coupling Size, 316 Stainless Steel, Nitrile (MPN S71-3C8-8EF)
PARKER Hydraulic Quick Connect Hose Coupling: 1 in Coupling Size, Steel, Nitrile, FNPT (MPN 71-3C16-20F)
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PARKER Hydraulic Quick Connect Hose Coupling: 1 in Coupling Size, Steel, Nitrile, FNPT (MPN 71-3C16-20F)
PARKER Hydraulic Quick Connect Hose Coupling: 1/2 in Coupling Size, Steel, Fluorocarbon, Female UNF (MPN 71-3C8-8EFV)
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PARKER Hydraulic Quick Connect Hose Coupling: 1/2 in Coupling Size, Steel, Fluorocarbon, Female UNF (MPN 71-3C8-8EFV)
PARKER Hydraulic Quick Connect Hose Coupling: 1/2 in Coupling Size, Steel, Fluorocarbon, Female NPTF (MPN 71-3C8-8FV)
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PARKER Hydraulic Quick Connect Hose Coupling: 1/2 in Coupling Size, Steel, Fluorocarbon, Female NPTF (MPN 71-3C8-8FV)
PARKER Hydraulic Quick Connect Hose Coupling: 1 in Coupling Size, Steel, Nitrile, Female UNF (MPN 71-3C16-16EF)
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PARKER Hydraulic Quick Connect Hose Coupling: 1 in Coupling Size, Steel, Nitrile, Female UNF (MPN 71-3C16-16EF)

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