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266533 - Miller .500-13 Nylon Insert Flange Lock Nut

Packaging: 1 PER EA
$41.59/EA $29.05/1 PER EA only $29.05/EASave 30%

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OVERVIEW

Secure Fastening for Miller Equipment

Keep your welding equipment running smoothly with the Miller 266533 Nut. This essential replacement part is a .500-13 thread nylon insert flange nut, specifically sourced to maintain the structural integrity of Miller welding machines. Hardware may seem like a minor detail, but in the context of high-performance industrial tools, every component plays a role in reliability. This nut features a 3/4-inch hex head and stands 0.562 inches tall, making it a robust solution for securing heavy components within your welder's chassis or assembly.

The Mechanics of the Flange Lock Nut

This component combines two critical mechanical features: a flange and a nylon locking insert. The flange serves to spread the pressure of the nut over the part being secured, reducing the chance of the metal becoming distorted or the nut pulling through. This integral washer-like base provides a stable grip and protects the surface finish of your machine. The nylon insert, located in the collar of the nut, deforms elastically over the threads of the mating bolt. This deformation creates a prevailing torque that locks the nut in place, preventing it from backing off due to the hum and vibration of transformers, fans, or engines found in welding setups.

Maintenance and Repair Essentials

For welding technicians and maintenance personnel, having the right hardware on hand is the difference between a quick fix and a prolonged downtime. The Miller 266533 is a direct replacement for the original equipment, ensuring that threads match perfectly and the locking torque is within specification. Using the correct size and type of nut prevents thread stripping and ensures that torque specifications can be met accurately. This part is ideal for securing frame components, mounting brackets, or internal assemblies where security and vibration resistance are paramount.

Durable and Reliable

Constructed to Miller's high standards, this nut is built to withstand the industrial environment. The nylon insert is resistant to many chemicals and oils, maintaining its locking ability over time. However, it is generally recommended to replace nylon lock nuts after they have been removed, as the locking capability diminishes with reuse. Stocking genuine Miller 266533 nuts ensures you are always ready to perform repairs that restore your equipment to factory-level security and performance.

Additional Information
Brand:Miller
Packaging Description:1-per-ea
Thread Size:1/2-13 UNC
Hex Size:0.75 inch
Nut Type:Nylon Insert Flange Lock Nut
Height:0.562 inch
Material:Steel with Nylon Insert

INCLUDED

  • (1) Nut, .500-13 .75Hex .562 Nylon w/ Flange

APPLICATIONS

  • Miller Welding Machine Repair
  • Power Source Assembly
  • Wire Feeder Maintenance
  • Running Gear Assembly
  • General Industrial Fastening

FAQ

The thread size is .500-13, which corresponds to a 1/2-13 UNC (Unified National Coarse) thread.

No, this is a flange nut, meaning it has a built-in washer-like base that distributes pressure, eliminating the need for a separate flat washer.

This nut has a .75Hex specification, so it requires a 3/4-inch wrench or socket for installation.

Yes, it features a nylon insert which acts as a locking mechanism to prevent the nut from loosening due to vibration.

While it can physically be reused, it is recommended to replace nylon insert lock nuts after removal because the nylon ring loses some of its holding power after the first use.

Yes, the Miller 266533 is a genuine Original Equipment Manufacturer (OEM) part from Miller Electric.

The nut has a height of .562 inches.

The locking insert is made of nylon.