Part Number 240-6220421 having (CAGE Code 7B709) and FSC 5360 Coil, Flat, Leaf, and Wire Springs in stock with ready to ship. Get an instant quote for 240-6220421 Spring Helical Extension by Tracor Flight Systems Inc. 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.