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Aeroquip Fitting (Perm) DKOS R2 MM+

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Description & Features

Designed for general purpose low and medium pressure hydraulic applications, this carbon steel fitting features a female swivel DKO (metric) end and is sized at -4 hose dash. The Aeroquip Fitting (Perm) DKOS R2 MM+ is part of the Aeroquip 1A Series crimp fitting line, engineered to work as a system-matched assembly that supports consistent hose assembly performance and extended service life.

Dura-Kote plating provides corrosion resistance suited to demanding industrial environments. Where shock hazards are present, Aeroquip H277 or H435 hose series are recommended for use with this fitting. Manufactured at the Van Wert, OH facility under cage code 0X660.

SKU: 1A8DS4

Supplier Part Number (MPN): 1A8DS4

Specifications

Brand
Aeroquip® by Danfoss
a Dimensions
2 in
Compatible Hose ID
1/4 in
Connection Size 1
1/4 in
Connection Size 2
1/2 in
Connection Type
Female DKOS Swivel, Hose
Connection Type 1
Hose
Connection Type 2
Female DKOS 24 deg Swivel
Construction Style
Crimp
Cut-Off Factor
1.08 in
Dimension Standards
SAE J1176
Dimensions
2 in L x 0.944 in W x 0.94 in H
End Connection Torque
50 to 60 lb-ft
End Gender 1
Female
End Size 1
08
Finish
Dura-Kote™
Fitting Type
Hose Fitting
For Use With
2661, EC115, EC118, EC215, EC881, FC510, FC579, FC611, FC619, FC639, FC693, FC735, FC839B, FC849, FC849B, GH120, GH195, GH194, GH681, GH663, GH781, GH793 and WH004 Series Hoses
Hex Size
0.94 in
Hose Dash Size
04
Inside Diameter
0.17 in
Manufacturing Cage Code
VAN WERT OH - 0X660
Material
Steel
Material Construction
Carbon Steel
Seal Material
NBR
Series
1A Series
Thread Sealant
Without Thread Sealant
Thread Size
M20x1.5

Product Questions & Answers (1)

Question by: Brenda G on Oct 14, 2025, 7:41 AM
Can you use this Aeroquip fitting for hydraulics on equipment that sees a lot of vibration?
Answer by: Customer Support on Oct 16, 2025, 6:24 AM
While this fitting is designed for general purpose low to medium pressure hydraulic applications, if you have equipment that deals with a lot of shock, Aeroquip H277 or H435 hose series are recommended for use with it.

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