Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SC-2023 found under Screw Hex Head by Kocsis Technologies Inc. The National Stock Number assigned to this part is 5305001355126, 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 SC-2023.