ASC
150# Stainless Steel Lock Nut
- SKU:
- S3314LN & S3316LN
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
Description
150# Stainless Steel Lock Nut
SCI Heavy Pattern 150# Stainless Steel Lock Nuts provide a threaded locking component for compatible stainless steel piping assemblies where a fitting or threaded component needs to be secured in position.
Available in 304 and 316 stainless steel, these threaded lock nuts are designed for compatible industrial, agricultural, construction, petroleum transfer, and process piping applications.
Product Highlights
- SCI Heavy Pattern Class 150 fitting
- 304 and 316 stainless steel options
- Female NPT threaded design
- Secures compatible threaded components
- Compact lock nut configuration
- Suitable for stainless piping systems
Technical Specifications
| Product Type | Stainless Steel Lock Nut |
|---|---|
| Brand | ASC / SCI |
| Pressure Class | Class 150 |
| Material Options | 304 Stainless Steel / 316 Stainless Steel |
| Casting Grades | ASTM A351 CF8 / CF8M |
| Connection | Female NPT |
| Thread Standard | ASME B1.20.1 |
| Configuration | Threaded Lock Nut |
| Function | Threaded Component Retention |
Construction Details
SCI Heavy Pattern Class 150 lock nuts are offered in 304 and 316 stainless steel for use with compatible threaded stainless steel piping components.
The female threaded design allows the lock nut to engage a compatible male NPT connection and be tightened into position as part of the piping assembly.
The compact nut-style configuration provides a straightforward method for retaining or securing compatible threaded components where the piping arrangement requires a locking connection.
Design & Typical Applications
Lock Nut Design
- Compact threaded configuration
- Female NPT connection
- Threaded locking function
- Serviceable installation
- 304 or 316 stainless steel
Typical Applications
- Industrial process piping
- Water and utility systems
- Agricultural piping systems
- Petroleum transfer piping
- Threaded equipment connections
Installation & Selection Considerations
- Confirm the required thread size.
- Select the proper stainless grade.
- Verify mating thread compatibility.
- Inspect threads before assembly.
- Avoid excessive tightening torque.
Use the SCI Heavy Pattern 150 Catalog to review stainless steel threaded fitting information and material details. The pipe chart can help confirm common pipe diameters and wall thicknesses for compatible piping.
Need Help Selecting a 150# Stainless Steel Lock Nut?
Need help confirming thread size, 304 or 316 stainless steel, mating connection requirements, or service compatibility? The GetPipe.com Team can help you select the correct stainless steel lock nut.
Frequently Asked Questions
What is a 150# stainless steel lock nut used for?
It is used to help retain or secure a compatible threaded component in a stainless steel piping assembly.
What stainless steel grades are available?
The lock nut is available in 304 and 316 stainless steel options for compatible piping applications.
What type of connection does the lock nut use?
The lock nut uses an internal female threaded connection designed to engage a compatible male threaded component.
What thread standard applies to this fitting family?
SCI Heavy Pattern Class 150 threaded fittings use NPT threads conforming to ASME B1.20.1.
Why use a stainless steel lock nut?
It provides a compact threaded method for securing compatible components while maintaining stainless steel construction within the assembly.
Can the lock nut be removed for service?
Yes. A threaded lock nut can be loosened and removed when the piping arrangement permits service or component replacement.
Is 150# the same as a universal 150 PSI working pressure?
No. Class 150 identifies the fitting class and should not be interpreted as a universal 150 PSI working-pressure rating for every application.
What should I confirm before ordering?
Confirm thread size, stainless steel grade, mating component, service media, and system operating conditions.
Important Ordering & Installation Notes
- Confirm the required thread size.
- Select 304 or 316 stainless steel.
- Verify mating thread compatibility.
- Inspect threads before installation.
- Avoid excessive tightening torque.
