S-90465A230 5/8"-11 x 2 1/8" Coupling Nuts

Coupling Nuts

0989FA00012 Coupling Nuts
0989FA00012 Coupling Nuts

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

Part No.
Part No. 0989FA00012
Equivalent to mcmaster :
90465A230

Basic Information

System of Measurement Inch
Nut Type Coupling, Hex

Dimension Parameters

Width 13/16"
Length 2 1/8"

Thread Parameters

Thread Type UNC
Thread Size 5/8"-11
Threading Fully Threaded
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 2B

Head Parameters

Drive Style External Hex
Coupling Nut Profile Standard

Material & Strength Parameters

Material Brass

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2022, 223 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Corrosion-resistant brass construction ensures long-term reliability in harsh industrial environments, reducing maintenance costs and downtime.
  • Fully threaded UNC coarse design provides faster assembly and secure connections, ideal for high-vibration applications.
  • Class 2B thread fit guarantees precise, smooth engagement with mating components, minimizing the risk of cross-threading.
  • External hex drive allows for easy installation and removal using standard tools, improving workflow efficiency.
  • RoHS 3 and REACH compliance meets strict environmental regulations, ensuring safe use in global supply chains.
  • Standard coupling nut profile offers versatile compatibility with various threaded rods and studs across industries.
  • Generous 2 1/8" length accommodates extended connections while maintaining structural integrity under load.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this 5/8"-11 UNC brass coupling nut excels in applications where corrosion resistance and electrical conductivity are critical. The fully threaded coarse spacing and Class 2B thread fit ensure reliable performance in plumbing, electrical grounding systems, and machinery assembly, preventing loosening under dynamic loads. Its external hex drive simplifies maintenance in tight spaces, while the brass material naturally resists galvanic corrosion when paired with dissimilar metals. This nut is a trusted solution for extending threaded rods, joining studs, or creating adjustable linkages in automotive, marine, and construction projects, delivering consistent torque transmission and longevity.

Specification Summary & Compliance

This coupling nut adheres to UNC coarse thread standards with a Class 2B thread fit for consistent dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety. Manufactured to standard industrial specifications, it features a 13/16" width and 2 1/8" length for precise application requirements.

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