S-90202A254 3/4"-10 x 2" ASTM A582 Coupling Nuts

Coupling Nuts

0991FA00055 Coupling Nuts
0991FA00055 Coupling Nuts

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

Part No.
Part No. 0991FA00055
Equivalent to mcmaster :
90202A254

Basic Information

System of Measurement Inch
Nut Type Coupling
Specifications Met ASTM A582

Dimension Parameters

Length 2"
OD 63/64"

Thread Parameters

Thread Type UNC
Thread Size 3/4"-10
Threading Fully Threaded
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 2B

Head Parameters

Coupling 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) (01/17/2023, 233 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and extending service life.
  • Robust load-bearing capacity from ASTM A582 compliance, ensuring reliable performance in heavy-duty applications.
  • Precise and secure thread engagement with Class 2B thread fit, minimizing the risk of cross-threading and loosening.
  • Efficient coarse threading (UNC) for faster assembly and disassembly, saving time in maintenance and installation.
  • Full-threaded design provides consistent strength along the entire length, enhancing connection integrity.
  • Environmental and safety compliance with RoHS 3 and REACH, meeting strict regulatory standards for industrial use.
  • Standard profile and right-hand threading ensure compatibility with common components and straightforward installation.

Professional Applications & Engineering Value

This 3/4"-10 UNC coupling nut is engineered to address critical challenges in industrial assembly, such as vibration-induced loosening and chemical exposure. Made from 18-8 stainless steel, it offers excellent corrosion resistance, making it suitable for applications in marine, chemical processing, and outdoor infrastructure. The fully threaded and coarse thread (UNC) design allows for quick, secure connections in coupling nuts used for joining long rods or bolts, reducing downtime in maintenance. Compliant with ASTM A582, it ensures high tensile strength and durability, providing engineers with a reliable solution for heavy-duty mechanical systems where thread integrity and longevity are paramount.

Specification Summary & Compliance

This coupling nut adheres to precise dimensional standards, including Class 2B thread fit for consistent accuracy and UNC coarse threading with a size of 3/4"-10. It meets ASTM A582 specifications for material and manufacturing quality. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial applications.

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