Adds details throughout

May 8 (Reuters) - Private equity-backed government contractor Applied Aerospace & Defense filed for an initial public offering in the United States on Friday.

The Huntsville, Alabama-based space and defense hardware provider plans to sell new shares in the offering.

Middle-market-focused buyout firm Greenbriar Equity Group last year combined Applied Aerospace and PCX Aerosystems to form Applied Aerospace & Defense.

Applied Aerospace & Defense will list on the New York Stock Exchange under the symbol “AADX.”

Morgan Stanley and Jefferies are among the underwriters on the offering.