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a #4 orb to pipe female-female adaptor

Description & Features

This straight steel adaptor features a #4 SAE O-ring Boss (ORB) female thread to a 1/4-18 female National Pipe Straight Mechanical (NPSM) thread.

The 6420 series adaptor provides a reliable connection between ORB and NPSM components in hydraulic systems, with the B1 thread featuring a 7/16-20 size conforming to SAE J514 specifications, and the B2 thread adhering to SAE J476 standards.

SKU: 6420-04-04

Supplier Part Number (MPN): 6420-04-04

Specifications

Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number 6420-04-04	Product Weight 0.11 lbs

Product Questions & Answers (1)

Question by: Floyd P on Jun 23, 2025, 3:15 PM

Will this fitting hold up with regular hydraulic use, or is it more for lighter-duty stuff?

Answer by: Customer Support on Jun 25, 2025, 6:43 AM

Designed for hydraulic systems, this adaptor provides a reliable connection between ORB and NPSM components.