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Steel Crimp 390A/790A Swage Fitting, 7/16-20 Female JIC 37 deg Flare Swivel, -04 Hose, Straight

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Description & Features

The Steel Crimp 390A/790A Swage Fitting, 7/16-20 Female JIC 37 deg Flare Swivel, -04 Hose, Straight is manufactured by Danfoss Hydraulics (Luzhou) Co., LD, ensuring high reliability.

This swage fitting features a robust steel construction suitable for demanding industrial applications.

Designed for a 37-degree flare swivel, the fitting provides a secure and efficient connection. The -04 hose size makes it versatile for various hydraulic systems.

It matches with JIC 7/16-20 thread type, offering compatibility with numerous components. This fitting does not require a mandrel, simplifying installation.

The product is known for its precision and compatibility, providing dependable performance without necessitating thread sealant.

Its use of the 4599-FP012 pusher further facilitates easy assembly and disassembly.

MPN: Aeroquip Stainless Steel Crimp Fittings

Supplier Part Number: 90A04-045400-0

Specifications

Brand
Synflex® by Danfoss
a Dimensions
2.526 in
b Dimensions
1.44 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 SAE 37 deg JIC Swivel
Construction Style
Crimp
Cut-Off Factor
1.454 in
Dimensions
2.53 in L x 0.63 in W x 0.63 in H
End Size 1
04
Finish
Passivated
Fitting Type
Hose Fitting
For Use With
3630, 3R30, 3130, 3580, 37AL, 3740, 3800, 3440, 3840, 34PW, 31B0 and 30CT Series Hoses
Hex Size
5/8 in
Hose Dash Size
04
Inside Diameter
0.16 in
Material
Stainless Steel
Material Construction
316 Stainless Steel
Pusher Used
4599-FP012
Series
90A Series
Thread Sealant
Without Thread Sealant
Thread Size
7/16-20
Thread Type
UNF

Product Questions & Answers (3)

Question by: Randy F on Mar 18, 2026, 8:09 AM
Will this fitting hold up okay in a hydraulic system running around 2000 PSI?
Answer by: Customer Support on Mar 19, 2026, 12:45 PM
This steel crimp fitting is designed for use with hydraulic hoses, so it should handle that pressure without issue as long as you're using a compatible hose.
Question by: Judy F on Oct 1, 2025, 5:23 PM
got a -04 hose and need a straight female JIC swivel. is this the 7/16-20 one with the 37 degree flare?
Answer by: Customer Support on Oct 3, 2025, 6:16 AM
You are looking at a straight 7/16-20 Female JIC 37 degree flare swivel made for -04 hose. That combination matches the thread callout and hose size given for this swage fitting.
Question by: Sherry M on Nov 17, 2025, 7:26 AM
got a -04 hose on a JIC system and need a straight swage fitting that don't require thread sealant. this the right one?
Answer by: Customer Support on Nov 18, 2025, 4:32 PM
For a -04 hose with JIC connections, this fitting checks the right boxes. The thread is 7/16-20 Female JIC with a 37-degree flare swivel, and no thread sealant is needed to make a proper connection. No mandrel is required during installation either, which keeps the assembly process straightforward. It's built from steel and comes from the Aeroquip Stainless Steel Crimp Fittings line under the Eaton/Danfoss brand.

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