Skip to the beginning of the images gallery

03 JIC CAP NUT

Description & Features

This straight steel 03 JIC CAP NUT features a female JIC SAE 37 degree flare connection designed according to SAE J514 standards.

With a maximum dynamic pressure of 7,500 PSI, this cap nut is suitable for demanding hydraulic applications. The 03 JIC CAP NUT offers reliable performance in a compact size.

SKU: 0304-C-03

Supplier Part Number (MPN): 0304-C-03

Alternate Part Numbers: A210292-3S

Specifications

Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number 0304-C-03	Product Weight 0.02 lbs

Product Questions & Answers (2)

Question by: Terry H on May 4, 2025, 10:24 AM

what's the max pressure rating on this cap nut? got a line running pretty hard and need to know if it'll hold up

Answer by: Customer Support on May 5, 2025, 8:01 PM

Rated to 7,500 PSI dynamic pressure, so it can handle demanding hydraulic lines without issue. That's a solid working rating for most high-pressure applications you'd run into.

Question by: Neil G on Sep 3, 2025, 1:10 PM

got a 3/8-24 female JIC 37 degree flare port, is this the right cap nut to close it off?

Answer by: Customer Support on Sep 5, 2025, 6:29 AM

For a 3/8-24 female JIC SAE 37 degree flare connection, this cap nut matches that thread and flare style per SAE J514, and it is sized for a 3/16 tube OD.