Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RF5004C-D found under Cap Tube by Alcoa Global Fasteners Inc. The National Stock Number assigned to this part is 4730003635264, 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 RF5004C-D.