Part Number 11506 having (CAGE Code 15613) and FSC 5360 Coil, Flat, Leaf, and Wire Springs in stock with ready to ship. Get an instant quote for 11506 Spring Takeup by Singer Industrial Sewing Products Co. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.