S-96278A011 10-24 Locknuts

Locknuts

1163FA00004 Locknuts
1163FA00004 Locknuts

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

Part No.
Part No. 1163FA00004
Equivalent to mcmaster :
96278A011

Basic Information

System of Measurement Inch
Nut Type Locknut, Hex

Dimension Parameters

Width 3/8"
Height 11/64"

Thread Parameters

Thread Type UNC
Thread Size 10-24
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 18-8 Stainless 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 External-Tooth Lock
Washer OD 0.406"
Washer Material 400 Stainless 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 external-tooth lock washer design that maintains clamping force under dynamic loads
  • Excellent corrosion resistance with 18-8 stainless steel construction for long service life in harsh environments
  • Reliable locking performance with 400 stainless steel washer that provides consistent torque retention
  • Easy installation and removal with standard external hex drive profile compatible with common wrench tools
  • Precise thread engagement through Class 2B UNC coarse threads ensuring proper fit and reduced cross-threading risk
  • Right-hand threading compatibility with standard fastening systems for straightforward assembly processes
  • Environmental compliance assurance meeting both REACH and RoHS 3 standards for regulated applications

Professional Applications & Engineering Value

This 10-24 locknut with external-tooth lock washer addresses critical vibration-induced loosening challenges in industrial equipment and machinery. The 18-8 stainless steel construction provides exceptional corrosion resistance for outdoor applications, chemical processing, and marine environments where moisture exposure is common. The 400 stainless steel external-tooth washer creates multiple biting points that dig into mating surfaces, maintaining clamp load even under severe vibration conditions. The UNC coarse thread design with Class 2B fit ensures reliable engagement with mating bolts while accommodating minor misalignments. This combination makes the locknut ideal for automotive assemblies, industrial machinery, electrical enclosures, and construction equipment where vibration resistance and long-term reliability are paramount.

Specification Summary & Compliance

This locknut features 10-24 UNC coarse threads with Class 2B thread fit for precise dimensional accuracy. The external hex drive measures 3/8" across flats with an overall height of 11/64". Manufactured from 18-8 stainless steel with a 400 stainless steel external-tooth lock washer (0.406" OD), the assembly complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards, ensuring suitability for regulated industrial applications.

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