Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 56003 found under Ferrule Electrical by Druseidt Paul. The National Stock Number assigned to this part is 5940121981472, and the Federal Supply Class is 5940 Lugs Terminals And Terminal Strips. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 56003.