Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D1233XX found under Bit Screwdriver by Zephyr Manufacturing Co Inc. The National Stock Number assigned to this part is 5130004178214, 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 D1233XX.