Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ER804D120612 found under Tee Tube To Boss by Precision Form Rivet Inc. The National Stock Number assigned to this part is 4730004042767, 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 ER804D120612.