Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 63A280704-4-16 found under Hose Assembly Nonme by Eaton Aeroquip Inc. The National Stock Number assigned to this part is 4720001952102, 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 63A280704-4-16.