Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Y63-315330-288 found under Plug Accessory by Gyrodyne Co Of America Inc. The National Stock Number assigned to this part is 4730008690013, 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 Y63-315330-288.