D

Metal precision instrument pipe fittings: metal push-in pipe fittings for fluids; metal tube fittings; metal 37º flared tube fittings; metal air brake system pipe fittings; metal 45º flared tube fittings; metal pipe coupling; manually-operated metal valves, namely, instrumentation needle valves, instrumentation miniature needle valves, instrumentation gate valves, instrumentation 3/5 way valves, instrumentation ball valves, disc check valves, and piston type universal flow distribution valve; metal tubing, namely, metal self-storing tubing, metal air brake system self-storing tubing, copper tubing; and metal hose fittings

Nylon tubing for use in control, instrumentation lines and pneumatic accessories, namely, nylon tubing for flexible compressed air pipes, air break systems, instrumentation panels; nylon tubing for lubrication, namely, nylon tubing for flexible oil pipes for machine lubrication; nylon insulation tubing for refrigerators and air conditioners, nylon tubing for gas process, chemical product and solvent lines, low pressure hydraulic lines, vacuum lines and air-break systems, namely, nylon tubing for flexible oil and gas lines in plumbing systems; polyethylene tubing for use in instrumentation and pneumatic automation, namely, polyethylene tubing for flexible oil and gas lines in plumbing systems; flexible polyethylene tubing for gas and liquid lines, namely, polyethylene and plastic tubing for flexible oil and gas lines in plumbing systems for pneumatic tools, and for use in the chemical, paper and cellulose industries; plastic tubing for use in remote instrumentation, namely, for conducting gas and liquid in plumbing systems, for process control and pneumatic systems, namely, hoses for pneumatic tools; and nylon hose for use in lubrication systems, namely, hoses for the lubrication systems of machines, agricultural equipment and mobile construction equipment; non-metallic umbilical cables to supply hydraulic power to off-shore oil prospecting equipment; all of the foregoing comprising flexible tubes and pipes not of metal