Part Number 3929AS864 having (CAGE Code 30003) and FSC 5360 Coil, Flat, Leaf, and Wire Springs in stock with ready to ship. Get an instant quote for 3929AS864 Spring Helical Extension by Naval Air Systems Command. 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.