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12 JIC CAP NUT

Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number 0304-C-12	Product Weight 0.19 lbs

Product Questions & Answers 2

Product Questions & Answers

got a 3/4 tube line with a JIC 37 flare, is this the right cap nut for it?

Question by: Floyd R on Jul 12, 2025, 12:16 PM

For a 3/4 tube OD JIC setup, this cap nut matches the female JIC SAE 37 degree flare style and uses 1-1/16-12 threads per SAE J514, so it lines up with that common 12 JIC connection size.

Answer by: Customer Support on Jul 14, 2025, 6:49 AM

Got a 3/4 inch tube line I need to cap off on a hydraulic system running around 4,500 PSI. This the right part for that?

Question by: Chad H on Jul 15, 2025, 6:20 PM

For a 3/4 OD tube line with a female JIC SAE 37-degree flare connection, this cap nut fits that application. It's rated to 5,000 PSI maximum dynamic pressure, so running at 4,500 PSI keeps you within the rated limit. Thread size is 1-1/16-12, which is standard for 3/4 tube OD JIC fittings, and it meets SAE J514 spec. Steel construction, so it'll hold up under normal hydraulic system conditions.

Answer by: Customer Support on Jul 17, 2025, 12:40 PM