The 4 X 4" Schedule 80 Black Nipple from Service Metal Products is a high-strength fitting designed for heavy-duty applications. Constructed from durable black steel, this nipple is ideal for high-pressure systems, with a robust design that meets ANSI standards. Its dimensions ensure a secure fit in various piping configurations, making it suitable for both residential and industrial use. The Schedule 80 rating provides enhanced thickness, allowing for greater pressure handling. This nipple is perfect for connecting two pipes in a straight line, ensuring a reliable flow of liquids or gases.