Part Number SK-2397A ITEM 9 having (CAGE Code 30793) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for SK-2397A ITEM 9 Nut Self Locking Round by Insinger Machine Company The. 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.