S-94830A123 1 1/2"-12 Locknuts

Locknuts

1186FA00004 Locknuts
1186FA00004 Locknuts

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

Part No.
Part No. 1186FA00004
Equivalent to mcmaster :
94830A123

Basic Information

System of Measurement Inch
Nut Type Locknut, Hex

Dimension Parameters

Width 2 3/16"
Height 57/64"

Thread Parameters

Thread Type UNF
Thread Size 1 1/2"-12
Thread Direction Right Hand
Thread Spacing Fine
Thread Fit Class 2B

Head Parameters

Drive Style External Hex
Hex Nut Profile Thin

Material & Strength Parameters

Material Cadmium-Plated Steel

Finish & Compliance Parameters

Locking Type Flex-Top
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 flex-top locking design that maintains tension under dynamic loads
  • Enhanced corrosion protection with cadmium plating that withstands harsh industrial environments
  • Space-saving thin profile (57/64" height) ideal for applications with limited clearance
  • Precise Class 2B thread fit ensures smooth assembly and reliable engagement with mating components
  • External hex drive compatibility with standard tools for quick installation and removal
  • Fine UNF thread configuration (1 1/2"-12) provides superior holding power in high-stress applications
  • Durable cadmium-plated steel construction delivers long-term reliability in demanding conditions

Professional Applications & Engineering Value

This 1 1/2"-12 UNF thin locknut delivers exceptional engineering value in applications where vibration-induced loosening poses significant reliability concerns. The flex-top locking mechanism creates consistent spring tension that compensates for thermal expansion and mechanical stress, making it ideal for heavy machinery, automotive assemblies, and industrial equipment. The cadmium-plated steel construction provides excellent corrosion resistance while maintaining the strength required for high-torque applications. With its fine UNF threads and Class 2B thread fit, this external hex locknut ensures precise alignment and secure fastening in critical joints, reducing maintenance frequency and improving overall system integrity in demanding industrial environments.

Specification Summary & Compliance

This locknut features Class 2B thread tolerance with UNF fine threads (1 1/2"-12) and right-hand thread direction. Manufactured to industry standards with dimensions of 2 3/16" width and 57/64" height. The cadmium-plated steel construction meets industrial requirements for corrosion protection and mechanical performance. Complies with relevant industrial fastening specifications and material standards for reliable performance in professional applications.

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