S-90715A115 10-32 Locknuts

Locknuts

1149FA00012 Locknuts
1149FA00012 Locknuts

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

Part No.
Part No. 1149FA00012
Equivalent to mcmaster :
90715A115

Basic Information

System of Measurement Inch
Nut Type Locknut, Hex

Dimension Parameters

Width 3/8"
Height 15/64"

Thread Parameters

Thread Type UNF
Thread Size 10-32
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 316 Stainless Steel

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
Price available upon request. Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
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Key Features & Benefits at a Glance

  • Superior vibration resistance with a nylon insert that maintains locking force in high-motion environments
  • Exceptional corrosion resistance in harsh conditions, thanks to 316 stainless steel construction
  • Reliable performance up to 220°F, ensuring stability in elevated temperature applications
  • Precise Class 2B thread fit for smooth assembly and consistent clamping force with UNF fine threads
  • Easy installation and removal using standard tools with the external hex drive design
  • Compliance with RoHS 3 and REACH for safe use in regulated industrial and electronic sectors
  • Durable, non-magnetic properties ideal for marine, chemical, and food processing equipment

Professional Applications & Engineering Value

This 10-32 UNF nylon insert locknut is engineered to solve critical challenges in vibration-prone and corrosive environments. The 316 stainless steel body offers excellent resistance to chemicals, saltwater, and industrial pollutants, making it suitable for marine hardware, chemical processing plants, and outdoor machinery. The nylon insert provides consistent locking force without damaging threads, reducing maintenance needs in assembly lines, automotive components, and electrical enclosures. With a fine thread design and Class 2B fit, it ensures tight, secure fastening in precision equipment, while the 220°F temperature rating supports applications involving moderate heat exposure, such as motor mounts and HVAC systems.

Specification Summary & Compliance

This locknut features a 10-32 UNF fine thread with Class 2B thread fit for consistent accuracy and ease of use. Dimensions include a 3/8" width and 15/64" height, compatible with standard external hex tools. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial components.

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