S-93282A510 1/2"-13 x 2" ASTM A276 Coupling Nuts

Coupling Nuts

0991FA00078 Coupling Nuts
0991FA00078 Coupling Nuts

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

Part No.
Part No. 0991FA00078
Equivalent to mcmaster :
93282A510

Basic Information

System of Measurement Inch
Nut Type Coupling
Specifications Met ASTM A276

Dimension Parameters

Length 2"
OD 37/64"

Thread Parameters

Thread Type UNC
Thread Size 1/2"-13
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 316 stainless steel construction, ideal for chemical and marine applications
  • Reliable thread engagement with fully threaded design and Class 2B fit, ensuring secure connections and reduced assembly time
  • Enhanced durability from ASTM A276 compliance, providing consistent mechanical properties for industrial use
  • Easy installation with 1/2"-13 UNC coarse threading, minimizing cross-threading risks in high-vibration settings
  • Environmental compliance with RoHS 3 and REACH standards, meeting global regulatory requirements for hazardous substances
  • Versatile coupling capability across 2" length and 37/64" OD, accommodating various rod or bolt connections
  • Right-hand thread direction for standard tool compatibility, streamlining maintenance and replacement procedures

Professional Applications & Engineering Value

This 316 stainless steel coupling nut delivers exceptional performance in demanding industrial settings where corrosion and chemical exposure compromise fastener integrity. The fully threaded UNC coarse spacing design prevents loosening under dynamic loads, while the Class 2B thread fit maintains precise tolerances for repeated disassembly in maintenance-heavy equipment. Engineers specify this ASTM A276-compliant coupling nut for piping systems, structural frameworks, and machinery requiring extended service life without galvanic corrosion. Its 2-inch length provides sufficient engagement for connecting threaded rods in construction or manufacturing assemblies, reducing downtime through reliable, RoHS and REACH-compliant material selection.

Specification Summary & Compliance

Manufactured to ASTM A276 standards with Class 2B thread fit and 1/2"-13 UNC coarse threading. Dimensions include 2" length and 37/64" OD. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for hazardous substance restrictions.

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