Clutch/brake lever cable adjusters

Hi, does anyone know where I can get a pair of cable adjusters,part # 18-1005 and the nuts, part # 18-1066 to suit a 1969 Commando S David

Their search function does not pull up those numbers, but you might call them and see if they have what you need?
http://www.britishspares.com/home/home
You might also want to determine the thread pattern before you call.