Kaman Corp., Bloomfield, CT, reported sales for the first quarter 2007 were up 7% to $317.3 million. Profit was $10.1 million, up 70% from the same period a year ago.   ; Kaman attributed the sales gain to improved performance in its Aerospace Segment. Aerospace Segment sales were $93.1 million, up 26.5% from last year.   ; Industrial Distribution Segment sales for the first quarter of 2007 were $173.4 million, up 1.7% from the first quarter of 2006.   ; Kaman reported the segment experienced a modest sales increase in a less certain economic environment compared to the prior year quarter. Despite the increase in sales, the segment experienced a decrease in operating income because the sales increase was not sufficient to cover increases in normal operating costs.   ; During the first quarter of 2007, the Industrial Distribution Segment won two national accounts in addition to two reported in the fourth quarter of 2006. When fully implemented, two of these four new accounts would be among the segment's largest.   ; Music Segment sales for the first quarter of 2007 were $50.8 million, down 3.1% from the first quarter of 2006.