Part Number 90-970002-51 Weld Assem Bleed Air And Vac in stock with ready to ship. Get an instant quote for Hawker Beechcraft part number 90-970002-51 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 90-970002-51. Our dedicated account manager will get back to you within 15 minutes.