Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HSM 411.2 ITEM 5 found under Blade Shredding Machine Paper by Whitaker Brothers Business Machines. The National Stock Number assigned to this part is 7490016105547, 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 HSM 411.2 ITEM 5.