And if you're a klutz, can't you just buy a new one? But at any rate, I know that Leon Paul sells the brass contact pins, as well as individual wire and their own plastic cups. Again, those are for their parts. If you're looking for specifically German parts, you should probably try contacting the manufacturer directly... For example, shoot Uhlman, FWF or the manufacturer of your choice, I'm sure they'd send you a bag of them for a pretty reasonable price. At any rate, if you're a klutz, I'd recommend just buying a new wire, as you may be liable to klutz it up again in putting a new one together, if you haven't done it before, good luck!
"Life is like a wheel, where everyone steals, but when we rise, it's like Strawberry Fields."