<page> UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15 (d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 20, 2004 KAMAN CORPORATION (Exact name of issuer as specified in its charter) Connecticut 0-1093 06-0613548 (State or other jurisdictions (Commission (I.R.S. of Incorporation) File Number) Employer Identification No.) 1332 Blue Hills Avenue Bloomfield, CT 06002 (Address of principal executive offices) Registrant's telephone number, including area code: (860)243-7100 Not Applicable (Former name or former address, if changed since last report) <page> Item 7. Financial Statements and Exhibits (c) Exhibits The following document is furnished as an Exhibit pursuant to Items 9 and 12 hereof: Exhibit 99.1 - Press Release of the Company regarding financial performance for the quarter ended March 31, 2004, dated April 20, 2004. Item 9. Regulation FD Disclosure See Item 12 below. Item 12. Results of Operations and Financial Condition On April 20, 2004, the Company issued a press release describing the Company's financial results for the quarter ended March 31, 2004. A copy of this press release is furnished as Exhibit 99.1 hereto and is incorporated herein by reference All of the information furnished in this report and the accompanying exhibits shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and shall not be incorporated by reference in any Company filing under the Securities Act of 1933, as amended. Page 2 <page> SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this Report to be signed on its behalf, by the undersigned, thereunto duly authorized. KAMAN CORPORATION /s/Robert M. Garneau Executive Vice President and Chief Financial Officer Dated: April 21, 2004 Page 3 <page> EXHIBIT INDEX Exhibit Description 99.1 Press Release of the Company, dated April 20, 2004 Page 4 <page>