Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H660445-5-0172 found under Hose Assembly Metal by Eaton Corporation. The National Stock Number assigned to this part is 4720011450003, 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 H660445-5-0172.