0000950136-05-006248 8-K 4 20051005 7.01 9.01 20051005 20051005 OSI SYSTEMS INC 0001039065 3674 330238801 CA 0630 8-K 34 000-23125 051123500 12525 CHADRON AVE HAWTHORNE CA 90250 3109780516 12525 CHADRON AVENUE HAWTHORNE CA 90250 8-K 1 file001.htm FORM 8-K GRAPHIC 2 ebox.gif GRAPHIC GRAPHIC 3 spacer.gif GRAPHIC EX-99.1 4 file002.htm DRAFT ADMISSION DOCUMENT