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Earls Steel NPT Female Weld Boss Fittings

Female NPT Weld Bung 1/2" NPT

PART# 996604ERL

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Mild Steel Construction. Ideal for Modifying or Making Custom Tanks and Other Components.


  • Material: Mild Steel
  • Available NPT Thread Sizes: 1/8”, 1/4”, 3/8”, or 1/2"
  • Reduced Base for Easy Fit into Drilled Hole
  • Ideal for Use on Oil Tanks, Fuel Tanks, Overflow Tanks, or Almost Any Other Application
  • Requires Welding


Adapter NPT Size ( A )1/2 NPT FEMALE
Adapter TypeWeld Bung
Emission Code5
MaterialMild Steel
Product LinePremium
Product TypeWeld Bung
Weld BaseRound
Part Number996604ERL



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

Requires Welding
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