sew-classic has those bobbin cases in stock - very reliable place to buy so I would trust those bobbin cases. It looks like that is an industrial type case so it should be just fine - get the bobbins there, too.
http://shop.sew-classic.com/Singer-1...5-SCBC1004.htm & bobbins
http://shop.sew-classic.com/Bobbins-...ack-55623S.htm
Last edited by miriam; 05-01-2014 at 01:16 PM.