S-97135A240 7/16"-14 Locknuts

Locknuts

1138FA00051 Locknuts
1138FA00051 Locknuts

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

Part No.
Part No. 1138FA00051
Equivalent to mcmaster :
97135A240

Basic Information

System of Measurement Inch
Nut Type Locknut, Hex

Dimension Parameters

Width 5/8"
Height 29/64"

Thread Parameters

Thread Type UNC
Thread Size 7/16"-14
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 Zinc Yellow-Chromate Plated Steel
Strength Class Grade 8

Temperature & Environment Parameters

Insert Maximum Temperature 220°F

Finish & Compliance Parameters

Locking Type Nylon Insert
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 nylon insert locking that maintains secure fastening in high-stress environments
  • Exceptional durability with Grade 8 strength classification, ensuring reliable performance in heavy-duty applications
  • Enhanced corrosion protection from zinc yellow-chromate plating, extending service life in harsh industrial conditions
  • High-temperature capability with nylon insert rated for 220°F maximum temperature, suitable for demanding thermal environments
  • Precise thread engagement with Class 2B thread fit and UNC coarse threads for easy installation and consistent performance
  • Standard hex profile with 5/8" width for compatibility with common tools and straightforward installation
  • Right-hand threading following industry standards for seamless integration into existing assemblies

Professional Applications & Engineering Value

Engineered for demanding industrial applications where vibration resistance and reliability are paramount, these Grade 8 nylon insert lock nuts solve critical fastening challenges in automotive, machinery, and heavy equipment sectors. The nylon insert locking mechanism creates consistent friction against mating threads, preventing loosening under extreme vibration and dynamic loads that compromise standard fasteners. The zinc yellow-chromate plated steel construction provides dual-layer corrosion protection while maintaining the Grade 8 strength rating required for high-torque applications. With UNC coarse threads and Class 2B thread fit, these lock nuts ensure quick installation and reliable performance in assembly line environments where time efficiency and fastener integrity are equally critical.

Specification Summary & Compliance

This 7/16"-14 UNC lock nut features Class 2B thread fit precision and complies with standard inch measurement system requirements. The manufacturing follows industry specifications for external hex drive style and standard hex nut profile. The product meets relevant industrial standards for Grade 8 strength classification and contains materials compliant with RoHS and REACH environmental directives.

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