Part Number S1820518-01 Pin Lock In S1820511 02 Asse in stock with ready to ship. Get an instant quote for Avionics Mounts Inc part number S1820518-01 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for S1820518-01. Our dedicated account manager will get back to you within 15 minutes.