Plumber (164) Enlisted Personnel

Installs, assembles, bends, cuts and threads air, water, gas and low and high pressure steam, pipe and fittings in various systems used for the conveyance or distribution of steam, air, gas, and liquids.
Cuts large pipe with chisel and hammer, or oxyacetylene torch, and small pipe with pipe cutter. Reams end of cut pipe with reamer. Threads pipe, using vise, stock, and dies. Bends pipe by hand-driven or power-driven machine. Works with steel, iron, copper, and brass pipe, and such fittings and fixtures as couplings, elbows, unions, valves, traps and hangers for holding the pipe in place. Uses pipe chain and Stillson wrench for holding or turning pipe. Removes and replaces defective parts.
May remove and clear clogged pipes, or prepare new sections if the obstruction cannot be removed. May specialize in the installation, maintenance, and repair of waste or water disposal plumbing systems and fixtures.
Is capable of following oral or written specifications and blueprints. Should have a working knowledge of the use of calking, packing, and gasket materials.

Alternate nomenclatures:

• Pipe Fitter
• Pipe Fitter, Railway
• Steamfitter