S-90631A113 M5 Locknuts

Locknuts

1144FA00009 Locknuts
1144FA00009 Locknuts

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

Part No.
Part No. 1144FA00009
Equivalent to mcmaster :
90631A113

Basic Information

System of Measurement Metric
Nut Type Locknut, Hex

Dimension Parameters

Width 8 mm
Height 5 mm

Thread Parameters

Thread Type Metric
Thread Size M5
Thread Direction Right Hand
Thread Pitch 0.8 mm
Thread Spacing Coarse
Thread Fit Class 6H

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 with nylon insert locking technology that maintains secure fastening even under dynamic loads
  • Enhanced corrosion protection through zinc-plated steel construction for extended service life in demanding environments
  • Reliable high-temperature performance with nylon insert rated for maximum 220°F (104°C) operating conditions
  • Precision thread engagement with Class 6H thread fit ensuring consistent, accurate mating with mating components
  • Quick installation and removal using standard external hex drive compatible with common wrench tools
  • Optimized for industrial applications with coarse 0.8 mm pitch threads providing rapid assembly and reduced cross-threading risk
  • Regulatory compliance assurance meeting both REACH and RoHS 3 environmental standards for global market acceptance

Professional Applications & Engineering Value

This M5 nylon insert locknut delivers critical vibration-resistant performance for industrial machinery, automotive assemblies, and electrical equipment where secure fastening is paramount. The zinc-plated steel construction provides essential corrosion resistance while the nylon insert creates consistent locking force without damaging mating threads. Engineered with Class 6H precision threads and coarse 0.8 mm pitch, these metric locknuts ensure reliable performance in high-vibration environments while simplifying maintenance procedures. The external hex drive design allows for efficient installation using standard tools, reducing assembly time and labor costs in production environments.

Specification Summary & Compliance

This M5 x 0.8 mm locknut features Class 6H thread fit per metric standards with right-hand coarse threading. Manufactured from zinc-plated steel with standard hex profile and external drive style. The nylon insert locking mechanism is rated for temperatures up to 220°F. Product complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental directives, ensuring regulatory compliance for industrial applications worldwide.

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