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ADAPTER 1-1/4 PIPE CAP

Description & Features

Manufactured by Brennan Industries, this 1-1/4 NPTF hex pipe cap is built from straight steel and conforms to SAE J476 specifications. The female NPTF thread measures 1-1/4-11-1/2 with a drill diameter of 1.142 mm, providing a reliable pressure-tight seal when terminating unused ports in hydraulic circuits and fluid power systems.

The Adapter 1-1/4 Pipe Cap has an overall length of 1.250 mm and is part of Brennan's 5406-C series. Its hex profile allows for standard wrench installation, making it well-suited for port sealing applications across industrial hydraulic equipment and fluid handling assemblies. California residents should note this product carries a Prop 65 warning.

SKU: 5406-C-20

Supplier Part Number (MPN): 5406-C-20

Specifications

Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number 5406-C-20	Product Weight 0.59 lbs

Product Questions & Answers (1)

Question by: Ross G on Sep 4, 2025, 5:07 PM

What size wrench do I need for this pipe cap?

Answer by: Customer Support on Sep 5, 2025, 8:20 PM

Its hex profile makes it compatible with standard wrenches, so you should be able to tighten it down without any specialty tools.