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Danfoss / Eaton SYNFLEX OPTIMUM Fitting

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Description & Features

Designed for optimal performance in hydraulic systems, the Danfoss / Eaton SYNFLEX OPTIMUM Fitting features a robust stainless steel construction, ensuring durability and resistance to corrosion. Its innovative Dura-Kote plating further enhances corrosion resistance, contributing to extended hose assembly life and reliable operation in demanding environments. The fitting is engineered with a JIC 37° female swivel connection, offering a secure and versatile interface for hydraulic hoses.

The fitting is designed to accommodate a hose dash size of -4, with a 0.4375 end size for precise fitment. The hex size of 0.5625 ensures easy installation and maintenance, making it an ideal choice for industrial applications requiring high reliability and minimal downtime.

SKU: 4TA4FJ4C

Supplier Part Number (MPN): 4TA4FJ4C

Specifications

Brand
Synflex Optimum by Danfoss
a Dimensions
1.96 in
Compatible Hose ID
1/4 in
Connection Size 1
1/4 in
Connection Size 2
1/4 in
Connection Type
Female JIC Swivel, Hose
Connection Type 1
Hose
Connection Type 2
Female 37 deg JIC Swivel
Construction Style
Crimp
Cut-Off Factor
1.07 in
Dimensions
1.96 in L
End Connection Torque
11 to 12 lb-ft
End Gender 1
Female
End Size 1
7/16 in
Finish
Zinc-Plated
Fitting Type
Hose Fitting
For Use With
3TR18CT, 3TR8, 3TR8N, 3TR7 and 3TR7N Series Hoses
Hex Size
0.563 in
Hose Dash Size
04
Inside Diameter
0.17 in
Material
Stainless Steel
Material Construction
316 Stainless Steel
Series
4T Series
Thread Sealant
Without Thread Sealant
Thread Size
7/16-20
Thread Type
UNF

Product Questions & Answers (1)

Question by: Hubert C on Feb 27, 2026, 3:19 PM
Is this fitting stainless steel all the way through, or just plated?
Answer by: Customer Support on Mar 1, 2026, 6:45 AM
The fitting is made from stainless steel and also features Dura-Kote plating. The Dura-Kote plating gives it even better corrosion resistance, which should help the hose assembly last longer.

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