Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CG4-2A found under Pump Hydraulic Ram Hand Driven by Snap On Tools Corp. The National Stock Number assigned to this part is 4320012183646, and the Federal Supply Class is 4320 Power And Hand Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CG4-2A.