Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LE402 56 found under Restrictor Fluid Flow by Ulstein Bergen A S. The National Stock Number assigned to this part is 4730013036454, 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 LE402 56.