Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17747 found under Hose Assembly Metal by Senior Flexonics Inc. The National Stock Number assigned to this part is 4720010503945, 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 17747.