Designed for use in instrumentation, hydraulic, and pneumatic systems, this brass union adapter features female-to-female connections on both ends, each sized at 3/16 in. (0.1875 in.), making it well suited for joining two line, hose, or tube ends in a straight-through configuration. A 0.438 in. hex provides a consistent wrench grip during installation.
The Danfoss / Eaton Brass Adapter is manufactured under the Eaton Aeroquip line and carries Dura-Kote plating for added corrosion resistance. It supports operating pressures above SAE standards and has a rated minimum working temperature of -65°F, giving it a reliable range across demanding service environments. Brass construction makes it compatible with a broad range of fluid media commonly encountered in hydraulic and pneumatic circuits.
SKU: 621X3
Supplier Part Number (MPN): 621X3
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Specifications
Alternate Part Numbers
Alternate Part NumberMINO-00015X07346
Application
Other - Instrumentation, hydraulic, and pneumatic systems
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13553
End Gender 2
13555
End Size 1
0.19
End Size 2
0.19
End Type 1
Line/Hose/Tube
End Type 2
Line/Hose/Tube
Features
Dura-Kote plating for superior corrosion resistance|Design flexibility with hundreds of styles to choose from|Higher operating pressures above SAE standards
Hex Size 2
0.44
ICC
Union Adapters
Item Type
Line/Hose/Tube Female/Line/Hose/Tube Female Union
Language
English
Minimum Working Temperature
-65
Net Pack Quantity Units
EA
NMFC
60
Product Material
Brass
Product Width
0.44
Sub Brand
None
Supplier Part Number
621X3
Product Weight
0.04 lbs
Product Questions & Answers (1)
Question by: Brenda M on Mar 14, 2026, 8:07 PM
Reckon this'll hold up okay outside? I need something that won't rust easy.
Answer by: Customer Support on Mar 16, 2026, 6:52 AM
Dura-Kote plating on this Eaton Aeroquip adapter provides superior corrosion resistance, making it suitable for use in environments where rust is a concern.