S-93282A590 3/4"-10 x 1 1/4" ASTM A276 Coupling Nuts

Coupling Nuts

0991FA00081 Coupling Nuts
0991FA00081 Coupling Nuts

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

Part No.
Part No. 0991FA00081
Equivalent to mcmaster :
93282A590

Basic Information

System of Measurement Inch
Nut Type Coupling
Specifications Met ASTM A276

Dimension Parameters

Length 1 1/4"
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 316 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 in harsh environments due to premium 316 Stainless Steel construction
  • Reliable thread engagement with Class 2B thread fit ensuring smooth assembly and vibration resistance
  • Durable heavy-duty performance from ASTM A276 compliance for consistent mechanical properties
  • Wide compatibility with 3/4"-10 UNC coarse threads, ideal for standard industrial components
  • Full-length threading provides maximum grip and uniform stress distribution along the entire nut
  • Environmental compliance with RoHS 3 and REACH standards for safe, sustainable operations
  • Precise dimensional stability with 63/64" OD and 1 1/4" length for accurate fit in assemblies

Professional Applications & Engineering Value

This 316 Stainless Steel coupling nut delivers exceptional value in demanding industrial settings where corrosion and mechanical stress are primary concerns. Its fully threaded UNC coarse thread profile enables rapid installation and secure connections in structural frameworks, piping systems, and heavy machinery. The ASTM A276 material specification guarantees high tensile strength and durability, preventing thread stripping under high torque. Engineers benefit from the Class 2B thread fit, which minimizes backlash in dynamic applications while maintaining ease of assembly. Ideal for chemical processing, marine equipment, and outdoor infrastructure, this nut solves critical challenges like galvanic corrosion and fatigue failure, ensuring long-term operational reliability with minimal maintenance.

Specification Summary & Compliance

Manufactured to precise inch dimensions: 3/4"-10 UNC coarse thread with Class 2B thread fit for consistent interchangeability. Complies with ASTM A276 for material integrity and mechanical performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring hazardous substance restriction adherence. Right-hand threaded design with standard coupling nut profile for universal industrial use.

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