Part Number B11-1 1 4 SPECIAL .438-5X5 having (CAGE Code 64705) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for B11-1 1 4 SPECIAL .438-5X5 Washer Flat by Dayton Superior Corp. 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.