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Fitting (Perm) Thermo SAE 37

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Description & Features

Designed for -5 dash size hose assemblies, this carbon steel JIC 37° female swivel fitting with a 45° elbow configuration provides a reliable, leak-resistant connection in hydraulic line applications. The Fitting (Perm) Thermo SAE 37 is manufactured to SAE 37° flare specifications and is compatible with Synflex Optimum crimp hose systems from Aeroquip.

Dura-Kote plating provides corrosion resistance suited to demanding service environments. The fitting's design supports extended hose assembly life and is engineered for consistent performance in permanent crimp installations. With a 9/16 in. connection end and a 0.39 in. drop dimension, it integrates predictably into tight routing configurations where angular clearance is a concern.

SKU: 4T6FJA5

Supplier Part Number (MPN): 4T6FJA5

Alternate Part Numbers: 3903-05606, C1JC46, C1MG71

Specifications

Brand
Synflex Optimum by Danfoss
a Dimensions
2.38 in
Compatible Hose ID
0.313 in
Connection Size 1
5/16 in
Connection Size 2
3/8 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
1.18 in
Drop Dimensions
0.39 in
End Connection Torque
18 to 20 lb-ft
End Gender 1
Female
End Size 1
9/16 in
Finish
Dura-Kote™
Fitting Type
45 deg Elbow
For Use With
3TR18CT, 3TR8, 3TR8N, 3TR7 and 3TR7N Series Hoses
Hex Size
3/4 in
Hose Dash Size
05
Inside Diameter
0.2 in
Material
Steel
Material Construction
Carbon Steel
Series
4T Series
Thread Sealant
Without Thread Sealant
Thread Size
9/16-18
Thread Type
UNF

Product Questions & Answers (1)

Question by: Ronnie M on Feb 24, 2026, 6:40 AM
Will this fitting work with any old hose, or does it need a special kind?
Answer by: Customer Support on Feb 26, 2026, 6:29 AM
This fitting is specifically designed to work with Synflex Optimum crimp hose systems from Aeroquip.

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