Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 603-0005-003 found under Setscrew by Bf Goodrich Aerospace. The National Stock Number assigned to this part is 5305001133741, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 603-0005-003.