S-90631A007 6-32 Locknuts

Locknuts

1144FA00005 Locknuts
1144FA00005 Locknuts

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

Part No.
Part No. 1144FA00005
Equivalent to mcmaster :
90631A007

Basic Information

System of Measurement Inch
Nut Type Locknut, Hex

Dimension Parameters

Width 5/16"
Height 11/64"

Thread Parameters

Thread Type UNC
Thread Size 6-32
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-Plated Steel

Temperature & Environment Parameters

Insert Maximum Temperature 220°F

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant
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 dynamic environments
  • Enhanced corrosion protection with zinc plating that extends service life in demanding industrial conditions
  • Reliable high-temperature performance with nylon insert rated for continuous operation up to 220°F
  • Precise thread engagement with UNC coarse threading and Class 2B fit for consistent, secure installation
  • Easy installation and removal with standard external hex drive design compatible with common wrench tools
  • Right-hand thread direction for standard assembly procedures and operator familiarity
  • Environmental compliance assurance meeting RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

These 6-32 nylon insert locknuts deliver critical vibration-resistant performance in demanding industrial applications where secure fastening is paramount. The zinc-plated steel construction provides durable corrosion resistance while the nylon insert creates consistent locking force that prevents loosening under continuous vibration and thermal cycling. Engineered with UNC coarse threads and Class 2B fit, these locknuts ensure reliable thread engagement in machinery, electrical enclosures, automotive assemblies, and industrial equipment. The external hex drive allows for efficient installation using standard tools, reducing assembly time while maintaining secure fastening integrity in high-vibration environments up to 220°F operating temperatures.

Specification Summary & Compliance

This locknut features precise 6-32 UNC coarse threading with Class 2B thread fit for consistent engagement, measuring 5/16" across flats and 11/64" in height. Manufactured to industry standards for external hex locknuts with nylon insert locking mechanism. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial applications worldwide.

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