Part Number PM21234 having (CAGE Code 59501) and FSC 5310 Nuts and Washers in stock with ready to ship. Get an instant quote for PM21234 Nut Self Locking Spline by Unison Industries Llc. 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.