Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4-3924-1003 found under Hinge Panel Aerodyn by Pro Fabinc. The National Stock Number assigned to this part is 5342006714197, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4-3924-1003.