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Earls -6 Bulkhead Nut

Stainless Steel w/ Flanged Hex - Package of 2


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These stainless steel bulkhead nuts are designed for use w/ the long bulkhead fitttings. These nuts have a flange that is more attractive than a traditional nut & washer.


  • Long Style Bulkhead Fitting
  • Material: 304 Stainless Steel w/ Natural Finish
  • Flanged Hex & Bulkhead Nuts – More Attractive Than Standard Hex & Washer
  • AN Flare on Both Ends
  • Fits Through Frame Tubing – From 1.5” to 2.0” Thick
  • Sold Individually w/ Matching Flanged Bulkhead Nut
  • Ideal for Use on Street Rod & Provides a Custom Look w/o Brackets or Tabs
  • Ideal for Use on Brakes, Fuel System, Transmission Cooler & Other Plumbing Systems


Adapter AN Size6 AN MALE
Adapter AN Size ( A )6 AN MALE
Adapter TypeBulkhead Nut
Emission Code5
MaterialStainless Steel
Product LinePremium
Product TypeBulkhead Nut
Quantity Per Pkg.2
Thread Size9/16"-18
Wrench Size3/4"
Part NumberSS592506ERL



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Use Anti-Seize to prevent galling on the bulkhead nut.
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