4" X 18" Nipple, Stainless Steel Schedule 40 (Sch 40) Threaded Both End (TBE) 316L

4" X 18" Pipe Nipple, Stainless Steel Schedule 40 Threaded Both End (TBE) NPT 316/316L SS

• The Nipple Threads are National Pipe Thread (NPT), also known as American National Standard Taper Pipe Thread.
• This is the common thread used for threaded pipe connections, including this Schedule 40 piping nipple, in the United States.
• NPT is defined by ANSI/ASME standard B1.20.1