Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9D4944 found under Bearing Riveter Spa by Cooper Industries Inc. The National Stock Number assigned to this part is 3448009573316, and the Federal Supply Class is 3448 Riveting Machines. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 9D4944.