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Steel Tube Fitting, JIC 37 deg Flare Nut for 0.63 Inch OD Tube

A 0.97	B 1	Brand Danfoss Power Solutions (II LLC Aeroquip)	Brand Aeroquip	Pack Size 1.00	UOM EA	Series 1290	Supplier Part Number 1290-10S	Tube O.D. 0.63	Tube O.D. 0.63	Alternate Part Numbers Alternate Part Number C1AJ72, Alternate Part Number MI-00317445, Alternate Part Number MINO-00015F64634	Product Weight 0.10 lbs

Product Questions & Answers 4

Product Questions & Answers

got a 0.63 OD tube, is this the right flare nut for it or am i off a size

Question by: Frank T on Oct 28, 2025, 2:35 PM

Match it to a 0.63 inch outside diameter tube. This part is a JIC 37 degree flared nut in the Aeroquip by Danfoss 1290 series, and it is specified for 0.63 inch OD tube.

Answer by: Customer Support on Oct 30, 2025, 6:00 AM

fixing a hydraulic line and looking for a nut that fits a 0.63 inch od tube. is this a standard 37 degree jic

Question by: Steve C on Mar 24, 2025, 6:01 AM

Steel JIC 37-degree flare nuts like this one are machined specifically to fit 0.63-inch outer diameter tubing. You can thread it right onto your standard flared connections.

Answer by: Customer Support on Mar 25, 2025, 9:59 AM

Got a flare nut that's worn out on a 5/8 OD tube line. This the right replacement for that size?

Question by: Kent E on Sep 13, 2025, 6:46 AM

For 0.63 inch OD tube, yes, this is the correct flare nut. It's part of the Aeroquip 1290 Series from Eaton and follows the JIC 37 degree flare standard, so it'll mate up with any standard JIC flare fitting of the same tube size. The catalog number is C1AJ72 if you need to cross-reference it on any paperwork or procurement records.

Answer by: Customer Support on Sep 14, 2025, 7:11 AM

Will this nut work with a standard JIC flare fitting?

Question by: Dean R on Mar 24, 2026, 4:24 PM

This is specifically a JIC 37-degree flare nut, so it's designed to work with other fittings that meet the JIC standard for that flare angle.

Answer by: Customer Support on Mar 25, 2026, 8:35 PM

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