12 SQUARE HEAD PIPE PLUG 5406-SHP-12

Specifications

Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number 5406-SHP-12	Product Weight 0.09 lbs

Product Questions & Answers 3

Product Questions & Answers

got a 3/4-14 port on a valve body. is this the right plug for that, or am i mixing up thread types

Question by: Jimmy M on Jul 25, 2025, 3:44 PM

For a 3/4-14 female NPTF port, this is the matching plug since it has a 3/4-14 male NPTF thread and conforms to SAE J476. It’s meant for sealing ports and other threaded openings on hydraulic components.

Answer by: Customer Support on Jul 26, 2025, 6:06 PM

Will this plug hold up if I'm usin' it to block off a hydraulic line that sees a good bit of pressure?

Question by: Tammy M on Oct 15, 2025, 6:06 PM

Designed to create a pressure-tight seal in hydraulic systems, this plug uses thread interference to minimize reliance on sealants.

Answer by: Customer Support on Oct 16, 2025, 6:28 PM

got a blocked port on a hydraulic manifold that takes a 3/4-14 thread, this plug gonna seal it up without needing any tape or thread sealant?

Question by: Chad P on Dec 19, 2025, 11:00 AM

NPTF threads work by creating a mechanical seal through thread interference, so in many applications you won't need tape or sealant. That's the practical advantage of NPTF over standard NPT. Whether you need a sealant in your specific setup depends on pressure conditions and surface finish in the port, but the thread form on this plug is built to handle sealing on its own in a good number of hydraulic applications.

Answer by: Customer Support on Dec 20, 2025, 9:01 PM