This fits your .

A male NPT tapered black nipple pipe coated Schedule 40 suitable for indoor use only because they are manufactured as Rough black steel coated pipe for low pressure applications such as water, oil, natural gas, lp, steam and air. It is important to note that the black pipe is untreated raw steel that lacks corrosion resistant coating making it prone to rust if used outdoor. The pipes are available in several sizes and lengths for all types of residential and commercial Plumbing applications. You can also work with black pipes on decorative ideas for home and office to give that industrial feel and looks. Pre-cut length is 36 inch long and has a nominal pipe size diameter of 1/2 inch. The dimensions and properties of the part meets all applicable ansi and ASTM standards.

Everflow PCBL1236 Steel Pipe Pre Cut Pipe 1/2 x 36 Inch Black - B016Y8PBP0