Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74A582075-2003 found under Block Tunnel by Monogram Aerospace Fasteners Inc. The National Stock Number assigned to this part is 1680012362012, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 74A582075-2003.