S-95615A330 1"-14 Locknuts

Locknuts

1141FA00021 Locknuts
1141FA00021 Locknuts

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

Part No.
Part No. 1141FA00021
Equivalent to mcmaster :
95615A330

Basic Information

System of Measurement Inch
Nut Type Locknut; Hex

Dimension Parameters

Width 1 7/16"
Height 1 3/64"

Thread Parameters

Thread Type UNS
Thread Size 1"-14
Thread Direction Right Hand
Thread Spacing Fine
Thread Fit Class 2B

Head Parameters

Drive Style External Hex
Hex Nut Profile Standard

Material & Strength Parameters

Material Zinc-Plated Steel
Strength Class Grade 5

Temperature & Environment Parameters

Insert Maximum Temperature 220°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

  • Secure vibration resistance with a durable nylon insert that maintains locking performance in high-vibration environments
  • Enhanced corrosion protection through zinc-plated steel construction, extending service life in harsh industrial conditions
  • Reliable high-temperature performance with nylon insert rated for temperatures up to 220°F (104°C)
  • Superior load-bearing capability thanks to Grade 5 strength classification, ensuring dependable performance under heavy loads
  • Precise thread engagement with Class 2B thread fit for smooth installation and consistent clamping force
  • Easy installation and removal with standard external hex drive design compatible with common wrench tools
  • Environmental compliance assurance meeting both RoHS 3 and REACH standards for responsible manufacturing

Professional Applications & Engineering Value

This Grade 5 zinc-plated steel nylon insert locknut delivers critical vibration resistance in demanding industrial applications where loosening under dynamic loads poses significant safety risks. The 1"-14 fine thread configuration provides superior clamping force distribution compared to coarse threads, making it ideal for precision equipment, machinery assemblies, and automotive components subject to constant stress cycles. The nylon insert locking mechanism creates consistent friction against mating threads without damaging them, allowing for multiple reuses while maintaining secure fastening. Engineered with external hex drive for standard tool compatibility, this locknut simplifies maintenance procedures while the zinc plating offers essential corrosion protection in environments exposed to moisture, chemicals, or outdoor elements. The combination of high-temperature resistance and Grade 5 strength ensures reliable performance in engine compartments, industrial machinery, and structural applications where both thermal stability and mechanical integrity are paramount.

Specification Summary & Compliance

This locknut features 1"-14 fine thread with Class 2B thread fit per UNS standards, ensuring precise dimensional accuracy and reliable engagement with mating components. The external hex profile measures 1-7/16" across flats with a height of 1-3/64". Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, confirming the absence of restricted hazardous substances. The Grade 5 strength classification guarantees consistent mechanical properties and load capacity, while the zinc-plated finish provides corrosion resistance for extended service life in industrial environments.

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