Part Number 99-223-6B1-26642 Annunciator Switch in stock with ready to ship. Get an instant quote for Hawker Beechcraft part number 99-223-6B1-26642 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 99-223-6B1-26642. Our dedicated account manager will get back to you within 15 minutes.