Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4475.280.197 found under Plug Pipe by Palmer Johnson Power Systemsllc. The National Stock Number assigned to this part is 4730016525526, 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 4475.280.197.