Well, that's what it says, and for $12 you could sell it to somebody if it won't work with yours for some mystical reason. Does your Futaba have the round connector on the back? Mine does, but if not, don't forget to order a round to micro plug adapter.
http://www.horizonhobby.com/Products...?ProdID=HAN174
If the question still plagues you, call Horizon Hobby - they're selling the cable.