maintanance rubber kit for d1 type automatic drain valve of m s faiveley part no 518001100 or m s escorts part no 1ep 6317 alt 2 or m s w s f part no id 70270 1 or m s recon part no rec 111 1070 consist of 6 items 1 diaphragm faiveley pt no 548828 or equivalen t of m s escorts or m s w s f or m s recon quantity 01 no 2 gasket faiveley pt no 521780 or equivalent of m s escorts or m s w s f or m s recon quantity 01 no 3 o ring faiveley pt no 524609 or equivalent of m s escorts or m s w s f or m s