Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X-9 BULKHEAD found under Shredding Machine Paper by Acco Usa Inc Co. The National Stock Number assigned to this part is 7490013906074, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like X-9 BULKHEAD.