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04MJ-06MORB STRAIGHT

Description & Features

The 04MJ-06MORB STRAIGHT adapter from Brennan Industries Inc part of the 6400-O series is designed to meet rigorous industry standards. This adapter features a Male JIC SAE 37 Degree Flare on one end and a Male SAE O-Ring Boss on the other adhering to SAE J514 specifications.

Manufactured from straight steel this robust component ensures high durability and performance under a maximum dynamic pressure of 6 000 PSI. The NBR O-ring/seal material provides reliable sealing capability. The adapter measures an overall length of 1.290 mm and occupies a cubic inch space of 0.611 cubic inches.

Its thread dimensions include a B1 size of 7/16-20 with a drill diameter of 0.172 mm and a B2 size of 9/16-18 with a drill diameter of 0.297 mm. These precise specifications ensure compatibility with various industrial applications.

This product carries a PROP-65 warning for California residents.

Supplier Part Number: 6400-04-06-O

Specifications

Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number 6400-04-06-O	Product Weight 0.07 lbs

Product Questions & Answers (1)

Question by: Glen P on Mar 21, 2026, 10:23 AM

what's the max pressure rating on this fitting? got a system running pretty hard and need to know it'll hold up

Answer by: Customer Support on Mar 22, 2026, 8:35 PM

Rated for 6,000 PSI dynamic pressure, so it's built to handle demanding hydraulic systems without issue. That's a solid working rating for most heavy-duty industrial and mobile equipment applications.