Part Number 11610 having (CAGE Code 28294) and FSC 5360 Coil, Flat, Leaf, and Wire Springs in stock with ready to ship. Get an instant quote for 11610 Spring Helical Extension by Herman Body Co The. 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.