Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7790-001 found under Check Plug by Parker Hannifin Corporation. The National Stock Number assigned to this part is 4730010541864, 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 7790-001.