Omninet Capital LLC. on Tuesday said that it had sold Stadco, a Los Angeles designer and manufacturer of components for the commercial aerospace and defense markets.

The Beverly Hills private equity firm, whose principals have owned the company for more than 30 years, said that the buyer is Corinthian Capital Group LLC, a New York firm that specializes in small and middle market companies. Terms were not disclosed.

Stadco, which has been in business since 1941 and is located north of Chinatown, machines a variety of metals into aircraft structures, satellite and missile components and other parts for customers that include Northrop Grumman Corp. Lockheed Martin Corp. and Boeing Co. It has supplied parts for aircraft ranging from the Airbus A380 to the F-35 Joint Strike Fighter, and has more than 240 employees, according to its web site.

“Stadco has maintained an excellent reputation for high-precision machining of the most complex parts,” Benjamin Nazarian, an Omninet managing partner and Stadco’s chief executive, said in a statement. “We believe that Corinthian will be an excellent partner to propel the company’s future growth.”

Corinthian Capital invests in unique niche manufacturing, distribution, and service businesses with EBITDA (Earnings Before Interest, Taxes, Depreciation and Amortization) between $5 million and $30 million. It has completed more than 60 acquisitions in the middle market, with a combined total value of more than $1.8 billion, it said.

“Given the strong pipeline of new commercial and military aircraft, Stadco will continue to supply tooling for the next generation of carbon fiber aircraft as well as large machined parts for satellite launch and space exploration.” Peter Van Raalte, Corinthian’s senior managing director, said in a statement.