S-92087A150 1/4"-20 Locknuts

Locknuts

1166FA00005 Locknuts
1166FA00005 Locknuts

Image may differ from product. See technical specification for details.

Part No.
Part No. 1166FA00005
Equivalent to mcmaster :
92087A150

Basic Information

System of Measurement Inch
Nut Type Locknut, Hex

Dimension Parameters

Width 7/16"
Height 3/16"

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 2B

Head Parameters

Drive Style External Hex
Hex Nut Profile Standard

Material & Strength Parameters

Material Black-Oxide Steel

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant
Locking Type Lock Washer

Washer Parameters

Washer Type Spring Lock
Washer OD 0.5"
Washer Material Steel
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior vibration resistance through integrated spring lock washer design, preventing loosening in high-stress environments
  • Enhanced corrosion protection with black-oxide steel construction, extending service life in demanding industrial conditions
  • Reliable thread engagement with Class 2B thread fit, ensuring consistent performance and easy assembly
  • Quick installation and removal via standard external hex drive, compatible with common wrench tools
  • Durable steel construction providing high tensile strength for heavy-duty applications
  • Environmental compliance meeting RoHS 3 and REACH standards for safe usage across industries
  • Optimal torque transmission with 7/16" hex width, preventing tool slippage during tightening

Professional Applications & Engineering Value

This 1/4"-20 UNC locknut with integrated spring lock washer addresses critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and heavy equipment. The black-oxide steel construction provides exceptional corrosion resistance while maintaining structural integrity under dynamic loads. The coarse UNC thread pattern ensures rapid installation and reliable performance in applications where fine debris accumulation might compromise thread engagement. The combination of external hex drive and Class 2B thread fit guarantees precise torque application and consistent clamping force, making it ideal for maintenance-critical systems requiring dependable vibration resistance without additional locking compounds or devices.

Specification Summary & Compliance

This heavy-duty locknut features 1/4"-20 UNC coarse threads with Class 2B thread fit for standard industrial applications. The assembly includes a steel spring lock washer with 0.5" outer diameter integrated with the standard profile hex nut. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring regulatory compliance for global industrial usage. The right-hand thread direction and external hex drive style conform to industry-standard fastener specifications.

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