Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JSFF20W040404 found under Tee Tube by B And E Manufacturing Co Inc. The National Stock Number assigned to this part is 4730016422107, 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 JSFF20W040404.