Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 82 1056 found under Tee Pipe by Marshall Excelsior Co. The National Stock Number assigned to this part is 4730010535652, 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 82 1056.