Part Number T6C428 having (CAGE Code 71087) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for T6C428 Nut Self Locking Extended Washer by Republic Fastener Mfg 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.