Does it have to be that exact switch or would a regular coindoor switch work? I know some of the parts on Coin Controls aren't interchangable with parts from other companies but I'd imagine microswitches are pretty universal. I know
MP2526 used to sell them for $2 each in his online store. His store seems to be down now and it looks like he is working on building a new website. You should try and send him an e-mail and ask if he has some for sale as that was a pretty darn good price for them. I need some too and am going to send him an e-mail.