This series is a topical regrouping of the separate industry categories.
Source: US. Bureau of the Census
US. Bureau of the Census, Value of Manufacturers' Unfilled Orders for Capital Goods: Nondefense Capital Goods Excluding Aircraft Industries [UNXAUO], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/UNXAUO, April 29, 2016.