Part Number 4068 having (CAGE Code 55358) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for 4068 Nut Plain Spline by Smith And Wesson Corp Div Smith. 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.