Part Number 3131509 having (CAGE Code 94988) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for 3131509 Washer Spring Tension by Cooper Industries Inc Anco Div. 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.