Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9999-4001 found under Cutter Hydraulic Portable by F M Brick Industries Inc. The National Stock Number assigned to this part is 5130014118817, and the Federal Supply Class is 5130 Hand Tools Power Driven. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 9999-4001.