Amphenol bayonet type, 7.5A: http://www.farnell.com/datasheets/58210.pdf

Conxall with #16 contacts, 13A: http://www.farnell.com/datasheets/83441.pdf

Switchcraft, 7.5A: http://www.farnell.com/datasheets/340542.pdf

and there are others... pretty much anything in a size 16 shell will do it...