Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 069-0503 found under Hose Preformed by International Diesel Electric Co Inc. The National Stock Number assigned to this part is 4720004496193, 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 069-0503.