Part Number 63311 having (CAGE Code 1DC28) and FSC 5365 Bushings, Rings, Shims, and Spacers in stock with ready to ship. Get an instant quote for 63311 Ring Externally Threaded by Helicopter Parts Service 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.