783-320

This 1/2" x 5-1/2" black malleable steel nipple is a high-strength plumbing and gas line component engineered for reliable performance in residential and commercial appliance installations. Constructed from durable malleable iron, this threaded pipe fitting is ideal for extending or connecting gas supply lines, water heaters, furnaces, and boiler systems. Its corrosion-resistant black finish makes it a preferred choice for gas and oil applications, providing a secure and leak-proof connection when used with standard NPT (National Pipe Thread) fittings. Whether you are repairing a gas range or installing a new HVAC unit, this schedule 40 steel nipple offers the heat resistance and structural integrity required for high-pressure environments.
Type: Steel Pipe Fitting
Size: 1/2 inch NPT
Dimensions: 5-1/2 inches × 1/2 inch nominal × 1/2 inch nominal
Application: Commonly used for gas line extensions, water heater plumbing, furnace gas supply, and commercial kitchen appliance installations. Suitable for air, gas, and oil transport systems.
Specifications: Material: Black Malleable Steel; Connection Type: Threaded (NPT); Schedule: 40; Finish: Black Oxide coating for corrosion resistance.