Part Number HL21PB6-21 Pin Flush Tension Hd St in stock with ready to ship. Get an instant quote for Rolls Royce Airlines part number HL21PB6-21 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for HL21PB6-21. Our dedicated account manager will get back to you within 15 minutes.