S-94830A540 7/16"-20 Locknuts

Locknuts

1186FA00038 Locknuts
1186FA00038 Locknuts

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

Part No.
Part No. 1186FA00038
Equivalent to mcmaster :
94830A540

Basic Information

System of Measurement Inch
Nut Type Locknut, Hex

Dimension Parameters

Width 5/8"
Height 21/64"

Thread Parameters

Thread Type UNF
Thread Size 7/16"-20
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 with Flex-Top locking technology, ensuring reliable performance in high-stress environments.
  • Enhanced corrosion protection from cadmium-plated steel, extending service life in harsh industrial conditions.
  • Space-saving thin profile allows for use in compact assemblies without compromising strength.
  • Easy installation and removal with external hex drive, reducing assembly time and labor costs.
  • Precise thread engagement with Class 2B fine UNF threads, providing secure fastening and minimizing loosening risks.
  • Durable material construction ensures long-term reliability under repetitive loads and vibrations.
  • Wide compatibility with standard 7/16"-20 UNF components, simplifying inventory and replacement processes.

Professional Applications & Engineering Value

This 7/16"-20 UNF thin locknut is engineered to address common challenges in industrial settings, such as vibration-induced loosening and corrosion. The cadmium-plated steel construction offers excellent resistance to rust and wear, making it ideal for automotive, machinery, and aerospace applications where environmental factors are a concern. The Flex-Top locking design distributes clamping force evenly, maintaining tension under dynamic loads. With a fine thread and Class 2B fit, it ensures precise alignment and reduces the risk of cross-threading, while the external hex drive facilitates quick installation with standard tools. This locknut provides a dependable vibration-resistant solution that enhances assembly integrity and reduces maintenance needs.

Specification Summary & Compliance

This locknut features a 7/16"-20 UNF fine thread with Class 2B thread fit for accurate tolerances, adhering to standard inch measurement systems. It complies with industry specifications for dimensional accuracy, including a width of 5/8" and height of 21/64". The product meets relevant standards for performance and is manufactured in accordance with quality assurance protocols, supporting compliance with RoHS and REACH regulations for environmental safety.

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