Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EPS5-WALNUT found under Sharpener Pencil by Bt Office Products Intl Inc. The National Stock Number assigned to this part is 7520012022927, 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 EPS5-WALNUT.