Not Bull Sh!t. Not a 1590B Short either, but actually a tall! As in 125B tall and a hair bigger 1590b rectangle. Might make you top mounted Jack fans really happy.
4.4X2.3X1.6
Mouser has them here (http://www.mouser.com/Search/Refine.aspx?Keyword=546-1590BS)
For comparison, here it is side by side with a few of our favourite things.
(http://i.imgur.com/RVFHlaAl.jpg) (http://imgur.com/RVFHlaA)
You may not judge me on that 125B. it was my first, and done with a handheld drill and no center punch. It currently houses one of Ben's excellent designs for testing purposes.