Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 020W45-5D0030 found under Strainer Element Se by The Hellan Strainer Co. The National Stock Number assigned to this part is 4730013663887, 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 020W45-5D0030.