https://www.pegasusautoracing.com/group.asp?GroupID=O2SENSORBUNG
Oxygen Sensor Weld Bungs and Fittings - Pegasus Auto Racing Supplies
Our weld bungs and fittings for oxygen (O2) sensors use the standard 12 x 1/5mm thread pitch.
oxygen sensorweld bungsauto racingfittingspegasus
https://www.mcmaster.com/products/weld-bungs/thread-type~bspt/
BSPT Weld Bungs | McMaster-Carr
Choose from our selection of BSPT weld bungs, including iron and steel pipe and pipe fittings, stainless steel pipe and pipe fittings, and more. Same and Next...
weld bungsmcmastercarr
https://www.kartek.com/parts/fragola-14-npt-national-pipe-tapered-thread-female-aluminum-hex-weld-on-bungs.html
Fragola 1/4" NPT National Pipe Tapered Thread Female Aluminum Hex Weld On Bungs - Kartek Off-Road
Fragola 1/4" NPT National Pipe Tapered Thread Female Aluminum Hex Weld On Bungs for offroad racing in the King of the Hammers, New Zealand Taupo 1000, Dakar...
off roadfragolanptnationalpipe
https://888murrays.com/category/plumbing/weld-in-bungs
Plumbing Weld-in Bungs
plumbingweldbungs