Flexible Top Lock Nut, 1/2"-13, Steel, Grade 2, Cadmium Plated, 13/64 in Ht, 25 PK MPN:21FA-813
Flexible Top Lock Nut, 1/2"-13, Steel, Grade 2, Cadmium Plated, 13/64 in Ht, 25 PK
The Flexloc Flexible Top Lock Nut is a rugged and reliable locking solution for applications requiring high torque and resistance to vibration and impact. Its cadmium-plated steel construction ensures durability and corrosion resistance, while its flexible top design allows for easy installation and removal. Ideal for use in harsh environments, this lock nut can withstand temperatures from -70°F to 1200°F, making it suitable for industrial, aerospace, and military applications. With a 2B thread fit and heavy hex design, it provides a secure and lasting connection, ensuring your equipment and systems operate safely and efficiently.
Top product features:
- Cadmium plating for corrosion resistance
- Heavy hex design for improved torque and grip
- Impact-resistant for withstanding heavy use
Top product applications:
- Machine parts assembly
- Industrial equipment maintenance
- Aerospace applications
Lock Nut, Finish Cadmium-Plated, Material Steel, Material Grade/Class Grade 2, Thread Size 1/2 In.-13, Hex Width 13/16 in, Hex Height 13/64 in, Lock Type Flex Top, Dimensional Standards MIL-S-7742, NASM25027, System of Measurement Inch, Hex Type Heavy Hex, Thread Direction Right Hand, Industry Standards Not Applicable, Maximum Temperature 1,200 Degrees F, Minimum Temperature -70 Degrees F, Pack Size Small Pack, Removable Yes, Resistance Properties Impact-Resistant, Thread Fit 2B
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: PK
- Package Length: 3.60
- Package Width: 2.50
- Package Height: 1.50
- Package Weight: 1.05
Product info last updated on February 15, 2026 5:51am UTC
Category: Nuts