Steel Adapter, 1-1/4-11-1/2 Male NPT Countersunk Hex Plug

Description & Features

This high-quality countersunk hex plug offered by Brennan Industries Inc features 1-1/4-11-1/2 male NPT threading. Perfectly designed for industrial applications it ensures a reliable and secure fit in various pipe-to-pipe connections. Its steel construction enhances durability providing long-lasting performance in demanding environments.

Ideal for use when a robust and dependable seal is required this steel adapter comes without thread sealant giving you the flexibility to choose your preferred sealant method.

Engineered for professionals this adapter is a practical component that simplifies maintenance and installation processes efficiently addressing your connection needs.

MPN: 5406-HP-20

Supplier Part Number: 5406-HP-20

Specifications

A
0.83
Alternate Part Numbers
Alternate Part Number 5406-HHP-20, Alternate Part Number C1EX75
B
0.75
Brand
Brennan Industries Inc
Brand
Brennan Industries
Pack Size
1.00
UOM
EA
Supplier Part Number
5406-HP-20
Thread 1
1-1/4-11-1/2
Thread Sealant
No
Product Weight
0.39 lbs

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Product Questions & Answers (1)

Question by: Brett H on Nov 30, 2025, 6:08 AM
Will this plug work with standard NPT fittings?
Answer by: Customer Support on Dec 1, 2025, 9:02 AM
This adapter features 1-1/4-11-1/2 male NPT threading, so it's designed to fit any standard female NPT fitting of the same size.