Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D1143 found under Adapter Straight Pipe To Tube by Rix Industries. The National Stock Number assigned to this part is 4730013742961, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D1143.