Hi Djula, This is a pin for the connectors I have: http://search.digikey.com/us/en/products/350967-1/A100581CT-ND/2233152 Here is the catalog page: http://dkc3.digikey.com/PDF/US2011/P0252.pdf Hope it's the right one, if you need some measurements let me know. Cheers, Bob On Wed, Feb 22, 2012, at 10:01 PM, Djula Djarmati wrote: > A customer needs the socket that accepts this contact pin. It is used in= =20 > a dental machine inside a very unusual connector (probably custom made)=20 > that connects electric signals plus water or air (I'm not sure which).=20 > The length of the pictured pin is 18.5mm. >=20 > I have no idea how to search for this, has anyone seen something similar? --=20 http://www.fastmail.fm - Or how I learned to stop worrying and love email again --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .