Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T666306-4-0426 found under Hose Assembly Nonme by Eaton Corporation. The National Stock Number assigned to this part is 4720010498466, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like T666306-4-0426.