Part Number O540B1A5 7523 OH Piper Oh in stock with ready to ship. Get an instant quote for Textool Production Co Inc part number O540B1A5 7523 OH by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for O540B1A5 7523 OH. Our dedicated account manager will get back to you within 15 minutes.