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W&O is the largest distributor of Mil-Spec pipe, valves, fitting, actuation and sealing systems.

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W&O stocks the largest selection of MIL-SPEC valves that conform to DWG specifications.


W&O's MIL-SPEC pipe and tubing inventory includes CuNi, Copper, Chromolly, Steel, Stainless Steel and more.


W&O offers fittings for MIL-SPEC piping systems that meet size, material, pressure, and connection requirements.


W&O's MIL-SPEC actuators are approved by NAVSEA for use in the most vital shipboard systems.


Offering Products & Solutions

We lead the way in industry knowledge and expertise.

Our Services

MIL-SPEC flanges are used in most piping systems. W&O stocks various pressures, connections and materials.


W&O is proud to offer the U.S. Coast Guard approved RISE-sealing system of BEELE Engineering.


Find a Location Near You

With 18 global locations, you are never far from W&O.

Our Locations

W&O offers Simplex, Duplex and Y-Strainers in a variety of materials, connections, pressure ranges, and sizes.


Ready for next steps?

We provide mission-critical products and services through our strategically located service centers 24/7, 365. Contact us today.

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