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Steel Tube Fitting, JIC 37 deg Flare Nut for 1.25 Inch OD Tube

Description & Features

Optimize your hydraulic systems with the Eaton Aeroquip Steel Tube Fitting, designed specifically for robust performance under demanding conditions. This JIC 37-degree flare nut is engineered for a 1.25-inch outer diameter tube, ensuring a secure and reliable connection in high-pressure environments. Constructed from durable steel, this fitting delivers excellent strength and longevity, making it ideal for industrial applications.

Featuring the Eaton Aeroquip 1290 Series design, this Versil-Flare nut offers precise fit and easy installation. Its compatibility with a wide range of hydraulic fluids is supported by extensive documentation, ensuring versatile use in various systems. Trusted by professionals, this fitting is an essential component for maintaining the integrity and efficiency of your hydraulic assemblies.

SKU: 1290-20S

Supplier Part Number (MPN): 1290-20S

Alternate Part Numbers: C1AJ76, MI-00317489, MINO-00015F64638

Specifications

A 1.22	B 2	Brand Danfoss Power Solutions (II LLC Aeroquip)	Brand Aeroquip	Pack Size 1.00	UOM EA	Series 1290	Supplier Part Number 1290-20S	Tube O.D. 1.25	Tube O.D. 1.25	Alternate Part Numbers Alternate Part Number C1AJ76, Alternate Part Number MI-00317489, Alternate Part Number MINO-00015F64638, Alternate Part Number MINO-00925X08324	Product Weight 0.55 lbs

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Model Number	Tube O.D.	A	B
1290-4S Steel JIC Tube Nut	0.25	0.62	0.56
1290-10S Steel JIC Tube Nut	0.63	0.97	1
1290-12S Steel JIC Tube Nut	0.75	1.02	1.25
1290-16S Steel JIC Tube Nut	1	1.12	1.5
1290-6S Steel JIC Tube Nut	0.38	0.72	0.69
1290-8S Steel JIC Tube Nut	0.5	0.84	0.88
1290-3S Steel JIC Tube Nut	0.19	0.6	0.44
1290-5S Steel JIC Tube Nut	0.31	0.67	0.62

Product Questions & Answers (2)

Question by: Randy S on Jan 30, 2026, 2:33 PM

What size tube does this nut fit? Gotta make sure I'm ordering the right thing.

Answer by: Customer Support on Jan 31, 2026, 4:37 PM

This flare nut is designed for a 1.25 inch outside diameter (OD) tube.

Question by: Kirk W on Jul 25, 2025, 6:23 AM

got a versil-flare assembly i'm trying to rebuild and need to know if this nut fits 1-1/4 inch OD tubing. that right?

Answer by: Customer Support on Jul 26, 2025, 6:29 AM

that's the correct size. SKU 1290-20S is built specifically for 1.25 inch OD tube, so if your Versil-Flare assembly is running that tube size, this is the replacement nut you want. It's part of the Eaton Aeroquip 1290 Series spare parts lineup, so it'll drop right into that system.

Steel Tube Fitting, JIC 37 deg Flare Nut for 1.25 Inch OD Tube

Description & Features

Specifications

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Product Questions & Answers (2)