This is a Delco Remy 6 cylinder distributor assembly from a 1965 Chevrolet Corvair flat 6 cylinder.  It will fit  Corvair cars from 62 to 69.  The number is 1110319 and the date is 5 L24  . Has a new uninstalled gear. Has been polished some and the vacuum advance works.  Was working when exchanged for an HEI