Company record
Precision Rings, Inc. of Indianapolis designs and manufactures custom piston and seal rings for demanding applications. The business concentrates on components that must perform under high‑temperature conditions, exotic material environments, and rigorous service demands. Its rings are employed in land‑based gas and steam power generation units, wind turbine systems, civilian and military aircraft turbine and valve assemblies, as well as the main engine seals for the NASA space shuttle program and a variety of commercial nuclear valve projects. Precision Rings holds U.S. Navy nuclear approval and offers comprehensive engineering and design support. Ring diameters are available from 0.200 inches to over 100 inches. The company’s quality system is certified to ISO 9001:2000 and AS9100B, and it maintains Nadcap accreditation for heat‑treatment processes.
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