Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 47857 found under Alignment Tool Electronic Equipm by Gems Sensors A Division Of Danaher. The National Stock Number assigned to this part is 5120007569714, 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 47857.