S-93298A140 7/16"-14 Flange Nuts

Flange Nuts

1220FA00010 Flange Nuts
1220FA00010 Flange Nuts

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

Part No.
Part No. 1220FA00010
Equivalent to mcmaster :
93298A140

Basic Information

System of Measurement Inch
Nut Type Flange, Locknut, Hex

Dimension Parameters

Width 11/16"
Height 15/32"

Thread Parameters

Thread Type UNC
Thread Size 7/16"-14
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 2B

Head Parameters

Drive Style External Hex
Hex Nut Profile Standard

Flange Parameters

Flange Diameter 0.93"
Flange Thickness 0.07"

Material & Strength Parameters

Material Zinc-Plated Steel
Strength Class Grade F

Temperature & Environment Parameters

Insert Maximum Temperature 250°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 through the nylon insert locking mechanism that maintains secure fastening in high-motion environments
  • Enhanced corrosion protection with zinc plating that extends service life in demanding industrial conditions
  • High-temperature performance with nylon insert rated for temperatures up to 250°F without compromising locking capability
  • Reliable thread engagement with UNC coarse threads and Class 2B fit ensuring smooth installation and consistent clamping force
  • Integrated flange design with 0.93" diameter providing wider bearing surface to prevent loosening and distribute load effectively
  • Grade F strength classification delivering robust performance for heavy-duty applications requiring certified mechanical properties
  • Environmental compliance assurance meeting both REACH and RoHS 3 standards for responsible manufacturing and workplace safety

Professional Applications & Engineering Value

This Grade F zinc-plated steel flange nut with nylon insert locking mechanism addresses critical vibration-induced loosening challenges in industrial equipment, machinery, and structural assemblies. The UNC coarse thread profile combined with Class 2B thread fit ensures rapid installation and reliable performance in high-cycle applications where maintenance access may be limited. The integrated 0.93" flange diameter eliminates the need for separate washers while providing superior load distribution on softer materials or painted surfaces. Engineered for heavy-duty applications requiring certified mechanical properties, this locking flange nut maintains its vibration-resistant capabilities even in elevated temperature environments up to 250°F, making it ideal for automotive, construction, and manufacturing equipment where safety and reliability are paramount.

Specification Summary & Compliance

This 7/16"-14 UNC flange nut features Class 2B thread fit tolerance for consistent engagement and meets Grade F strength classification requirements. The manufacturing complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards, ensuring responsible production practices and material restrictions. The external hex drive design provides standard tool compatibility while the nylon insert locking mechanism maintains performance within specified temperature limits of 250°F.

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