Part Number 521-10001-001 Diode Zener 12V Axial 1N5242b in stock with ready to ship. Get an instant quote for L 3 Communications part number 521-10001-001 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 521-10001-001. Our dedicated account manager will get back to you within 15 minutes.