The correct number is 323 and here is one source: http://www.bulbman.com/index.php?main_page=product_bulb_info&products_id=15763 About $4 ea plus shipping On Sat, Jul 18, 2009 at 2:02 PM, <stoth47 at yahoo.com> wrote: > Anybody happen to know a 10 ea. qty source for the URM/25D #325 dial lamps?