NATIONAL STEEL CORP

Q: Jun 30 2003

Q: Jun 30 2003

Q: Mar 31 2003

FY: Dec 31 2002

Q: Sep 30 2002

Q: Jun 30 2002

Q: Mar 31 2002

FY: Dec 31 2001

Q: Sep 30 2001

Q: Jun 30 2001

Q: Mar 31 2001

FY: Dec 31 2000

Q: Sep 30 2000

FY: Dec 31 1999

Q: Mar 31 2000

Q: Jun 30 2000

Q: Sep 30 2000

Q: Jun 30 2000

Q: Mar 31 2000

FY: Dec 31 1999

7,9

7,9

3,7

7,9

7,9

7,9

7,9

Other events

7,9

5,7

7,9

5,7

7,9

Other events

5,7

5,7

5,7

5,7

5,7

7,9

Certification of termination of registration of a class of securities (Section 12(b))

No description available

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Prospectus filed under Rule 424(b)(1)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

DIMENSIONAL FUND ADVISORS INC

SMITH DONALD & CO INC /NJ/

NKK USA CORP

SMITH DONALD & CO INC /NJ/

NKK USA CORP

DIMENSIONAL FUND ADVISORS INC

SMITH DONALD & CO INC /NJ/

SMITH DONALD & CO INC /NJ/

DIMENSIONAL FUND ADVISORS INC

DIMENSIONAL FUND ADVISORS INC

SMITH DONALD & CO INC

MORGAN STANLEY DEAN WITTER & CO

SMITH DONALD & CO INC

WELLINGTON MANAGEMENT CO LLP

VANGUARD/WINDSOR FUNDS INC

CRABBE HUSON GROUP INC /ADV

MORGAN STANLEY DEAN WITTER DISCOVER & CO

PIONEERING MANAGEMENT CORP /ADV

CRABBE HUSON GROUP INC /ADV

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)