Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ER1001J121012 found under Tee Tube To Boss by Eaton Aeroquip Inc. The National Stock Number assigned to this part is 4730011895974, 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 ER1001J121012.