Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L53012 found under Tee Pipe To Tube To by Air Way Manufacturing Company. The National Stock Number assigned to this part is 4730005030813, 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 L53012.