Part Number 31721 having (CAGE Code 99643) and FSC 5365 Bushings, Rings, Shims, and Spacers in stock with ready to ship. Get an instant quote for 31721 Spacer by Eaton Corporation. 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.