Socket, DIP, 40 pin Part numberDatasheetFarnell: 4285669Multicomp, 2227-40-06-05 Mouser: 649-DILB40P223TLFAmphenol, DILB40P-223TLF Mouser: 571-1-2199299-5TE Connectivity, 1-2199299-5RS: 674-2466ASSMANN, A 40-LC-TT