Part Number 3-4IN-SCREW-TUBE Interconnecting in stock with ready to ship. Get an instant quote for Twin Commander Acft part number 3-4IN-SCREW-TUBE by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 3-4IN-SCREW-TUBE. Our dedicated account manager will get back to you within 15 minutes.