Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 391218ITEM10 found under Stud Continuous Thread by A C I Controls Inc. The National Stock Number assigned to this part is 5307015417303, and the Federal Supply Class is 5307 Studs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 391218ITEM10.