3/8" Brass Hex Head Pipe Plug. It is a Lead-Free compliant product which meets Public Law 111-380. For low to medium pressure lines. One-piece construction. Use with brass or steel pipe. All pipe threads are " American Standard Taper Pipe Threads". Fair vibration resistance. Used in low to medium pressure applications. Teflon tape or pipe sealant is recommended. Pipe threads should be tightened 2-1/2 turns past finger tight.
WARNING: This product can expose you to lead, a chemical known to the State of California to cause cancer and reproductive harm. www.P65Warnings.ca.gov