Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2603SMC found under Shredding Machine Paper by Whitaker Brothers Business Machines. The National Stock Number assigned to this part is 3615012489458, and the Federal Supply Class is 3615 Pulp And Paper Industries Machine. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2603SMC.