Part Number B-304 3 8 R CD Bundle Round Ss Cold Drawn in stock with ready to ship. Get an instant quote for Mcfarlane Aviation part number B-304 3 8 R CD by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for B-304 3 8 R CD. Our dedicated account manager will get back to you within 15 minutes.