Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 50E0402 found under by Insta Foam Products Inc. The National Stock Number assigned to this part is 4730011832582, 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 50E0402.