Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AOL4167B-213 found under Screw Machine by All Manufacturers Inc. The National Stock Number assigned to this part is 5305010717113, 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 AOL4167B-213.