Part Number 539 112 09 having (CAGE Code 15084) and FSC 5355 Knobs and Pointers in stock with ready to ship. Get an instant quote for 539 112 09 Knob by Dupree Inc Aerospace Knob Co Div. 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.