B22WB-G100 - Female NPT x Weld End Adapter - Unpolished - Dixon
Vibrant Weld In 6061 Aluminum Female Bung 3/8" NPT Threads
Female NPT - Pipe Weld Bung Fittings - Stef's
Amazon.com: AC PERFORMANCE Stainless Steel Female 1/4 NPT Weld On Bung, 1/4" Weldable Fuel Tank Fitting, Natural, Pack of 2 : Industrial & Scientific
Amazon.com: 3/4" NPT Stainless Steel 304 Female Threaded Stepped Weld Bung Mounting Fitting (OD 1.2") with Top Head (OD 1.5") : Automotive
Smith Cooper COOPLET 300# 2 in. Threaded Weld Outlet Fits 2 1/2 in. Pipe - John M. Ellsworth Co. Inc.
Amazon.com: ICT Billet Aluminum 1/2" NPT Weld On Bung Female Nut Threaded Insert Weldable Weldable Taper Pipe Thread Connector Fluid Designed & Manufactured in The USA Bare 617-6704AL : Automotive