Fitting (Perm) Thermo SAE 37

Description & Features

Designed for use with Aeroquip Synflex Optimum crimp hose assemblies, the Fitting (Perm) Thermo SAE 37 is a -12 dash size carbon steel fitting with a JIC 37° female swivel end configuration. The 1.25-inch hex and 1.31-inch width make it straightforward to identify and install within standard hydraulic line assemblies.

Dura-Kote plating provides corrosion resistance suited to demanding industrial environments. The fitting is system-engineered as part of the 4T Series to support extended hose assembly service life and consistent performance under operating conditions where reliability and uptime matter. At 0.51 lb, this is a compact fitting assembly appropriate for fluid power circuits requiring a secure female swivel-to-hose connection.

SKU: 4TA12FJ12

Supplier Part Number (MPN): 4TA12FJ12

Specifications

Brand
Synflex Optimum by Danfoss
a Dimensions
2.29 in
Compatible Hose ID
3/4 in
Connection Size 1
3/4 in
Connection Size 2
3/4 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
1.66 in
Dimensions
2.86 in L x 1.312 in W x 1.44 in H
End Gender 1
Female
End Size 1
12
Finish
Dura-Kote™
Fitting Type
Hose Fitting
For Use With
3TR18CT, 3TR8, 3TR8N, 3TR7 and 3TR7N Series Hoses
Hex Size
1.26 x 1.18 in
Hose Dash Size
12
Inside Diameter
0.59 in
Material
Steel
Material Construction
Carbon Steel
Series
4T Series
Thread Sealant
Without Thread Sealant
Thread Size
1-1/16-12
Thread Type
UN

Product Questions & Answers (1)

Question by: Curt W on Oct 28, 2025, 12:54 PM
What kind of plating does this fitting have? I need something that can handle some corrosion.
Answer by: Customer Support on Oct 30, 2025, 10:50 AM
Dura-Kote plating gives this fitting good corrosion resistance, which is a plus in demanding industrial environments.

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