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Brennen Adaptor

Description & Features

Crafted from high-quality straight steel, this adaptor is engineered for reliable performance in industrial applications. With a female SAE O-ring boss thread conforming to SAE J514 standards and a male NPTF thread meeting SAE J476 specifications, it ensures a secure and leak-free connection. The adaptor's dimensions include an overall length of 2.130 mm, a thread B1 size of 1-5/16-12, and a thread B2 size of 1-1/4-11-1/2, making it versatile for various hydraulic systems.

The Brennen Adaptor series 6404 is designed for demanding environments, providing durability and precision. Its robust construction supports effective fluid transfer, maintaining system integrity under pressure. Ideal for use in hydraulic systems requiring dependable connectors, this adaptor is a reliable component in achieving optimal performance.

SKU: 6404-16-20

Supplier Part Number (MPN): 6404-16-20

Specifications

Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number 6404-16-20	Product Weight 0.52 lbs

Product Questions & Answers (1)

Question by: Steve S on Feb 26, 2026, 1:50 PM

What size wrench do I need for the male end? Gotta make sure I have the right tools before I start.

Answer by: Customer Support on Feb 28, 2026, 6:53 AM

The male NPTF thread (B2) on this adaptor is 1-1/4-11-1/2, conforming to SAE J476 standards.