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Straight Female 37° Flares

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Description & Features

Manufactured from carbon steel, these Eaton Aeroquip Straight Female 37° Flares are designed for use in A/C refrigeration and hydraulic hose assemblies requiring SAE 37° flare connections. With a -10 hose dash size and a 7/8-inch end size, they are suited to a wide range of fluid conveyance applications where reliable, leak-resistant connections are a priority.

Part of the Aeroquip E-Z Clip system, this nipple assembly is engineered to reduce assembly time without sacrificing connection integrity. The straight female configuration connects line, hose, or tube ends, making it a practical choice for both OEM builds and field assembly work.

SKU: FJ3731-1010S

Supplier Part Number (MPN): FJ3731-1010S

Specifications

Brand
Danfoss
a Dimensions
4.21 in
Compatible Hose ID
0.62 in
Connection Size 1
5/8 in
Connection Size 2
5/8 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
2.66 in
Dimensions
4.21 in L x 1 in W x 1.15 in H
End Gender 1
Female
End Size 1
7/8 in
Finish
Zinc-Plated
Fitting Type
Hose Fitting
For Use With
E-Z Clip System A/C Refrigeration GH134 Series Hoses
Hex Size
0.984 in
Hose Dash Size
10
Inside Diameter
0.37 in
Material
Steel
Material Construction
Carbon Steel
nmfc
50
Seal Material
HNBR
Segment Code
C
Series
FJ3731 Series
Thread Sealant
Without Thread Sealant
Thread Size
7/8-14
Thread Type
UNF

Product Questions & Answers (1)

Question by: Daryl C on Mar 11, 2026, 5:28 PM
Will this fitting work with standard refrigerant lines, or is it just for hydraulics?
Answer by: Customer Support on Mar 13, 2026, 4:19 PM
Designed for use in A/C refrigeration and hydraulic hose assemblies requiring SAE 37° flare connections, this fitting is well-suited for either application.

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