Description
Product Overview
The DERNORD 1/2 inch NPT female hex locknut is engineered for demanding industrial applications where reliability, durability, and ease of installation are paramount. Constructed from premium 304 stainless steel, this locknut offers exceptional corrosion resistance, a polished finish, and a maximum shear strength of 310 MPa. The hex head design enables quick and precise torque application using standard wrenches, while the National Pipe Taper (NPT) thread ensures a tight, leak‑free seal when paired with matching male fittings. Each package contains two identical locknuts, providing a convenient spare for future maintenance or multi‑point installations.
![[Product front view showing all components]](https://www.telviro.store/wp-content/uploads/2026/08/04f724dac4dd4ac89c4c933f2b8fedd4.jpg)
Usage
Designed for a wide range of pipe and fluid handling systems, this locknut excels in environments that demand resistance to moisture, chemicals, and temperature fluctuations. Ideal for plumbing, HVAC, chemical processing, and marine applications, the 1/2 inch NPT female thread mates seamlessly with standard male NPT fittings, creating a secure connection that minimizes vibration and prevents loosening under pressure. Whether you are assembling a new piping network or performing routine maintenance on existing infrastructure, the DERNORD locknut delivers consistent performance and simplifies installation for technicians and engineers alike.
Why Choose Us
Choosing DERNORD means selecting a brand with a reputation for precision engineering and rigorous quality control. Each locknut undergoes thorough testing to verify thread integrity, dimensional accuracy, and material composition, ensuring that you receive a component that meets or exceeds industry standards. Our commitment to customer satisfaction includes responsive technical support, fast shipping, and a straightforward return policy, giving you confidence that your investment will perform reliably over the long term.
Key Features
- Premium 304 stainless steel construction provides superior corrosion resistance and a long service life.
- Hex head design allows quick, tool‑free installation and precise torque control for a secure fit.
- National Pipe Taper (NPT) female thread ensures a leak‑free seal with standard male fittings.
- Polished finish reduces friction, minimizes wear, and enhances aesthetic appeal in visible installations.
- Dedicated customer support and hassle‑free returns give you peace of mind after purchase.
FAQ
What size pipe does this locknut fit?
The locknut is sized for 1/2 inch NPT female connections, making it compatible with standard 1/2 inch male NPT pipe fittings.
Is the stainless steel grade 304 or 302?
It is made from 304 stainless steel, which offers higher corrosion resistance and strength compared to 302 grade.
Can I use this locknut in high‑temperature applications?
Yes, 304 stainless steel maintains its mechanical properties in a wide temperature range, making the locknut suitable for many high‑temperature environments.
Do I need any special tools to install the locknut?
No special tools are required; a standard hex wrench or socket will provide the necessary torque for installation.
What is the maximum shear strength of this locknut?
The locknut is rated for a maximum shear strength of 310 MPa, ensuring robust performance under load.





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