* Q3 profit $0.40/shr vs estimates $0.45/shr
* Q3 rev $5.5 bln vs estimates $5.8 bln
* Cuts FY rev view to $23.25 bln from $23.5 bln
* Blames U.S. federal spending cuts
* Shares down 1.5 pct in premarket trade
(Adds outlook, share movement)
Oct 22 (Reuters) - EMC Corp, the world's largest data storage equipment maker, reported lower-than-expected quarterly results and cut its full-year revenue forecast, hurt by a fall in U.S. federal spending.
EMC shares fell nearly 1.5 percent in premarket trading on Tuesday.
EMC's unit, VMware Inc, reported a higher-than-expected quarterly profit on Monday, but said it expected government-related revenue to be flat in the current quarter due to the recent two-week government shutdown.
In August, EMC's chief rival NetApp Inc also forecast lackluster results for the current quarter blaming the slowdown in government spending.
Hopkinton, Massachusetts-based EMC lowered its full-year revenue forecast to $23.25 billion from $23.5 billion.
Analysts were expecting revenue of $23.44 billion, according to Thomson Reuters I/B/E/S.
Net income attributable to EMC slid to $586 million, or 27 cents per share, in the third quarter ended Sept. 30 from $626 million, or 28 cents per share, a year earlier.
Excluding items, it earned 40 cents per share, lower than analysts' estimates of 45 cents per share.
Consolidated revenue rose 5 percent to $5.54 billion, missing analysts' expectations of $5.8 billion.
Revenue from the United States, which accounts for more than half of total revenue, rose only 2 percent in the quarter.
(Reporting by Soham Chatterjee; Editing by Savio D'Souza)