Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7341 found under Screwdriver Bit Set And Handle by Chapman Manufacturing Company The. The National Stock Number assigned to this part is 5120011207181, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 7341.