Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ERS 1531 NO. 005 found under Controller Out Put by De La Rue Currency. The National Stock Number assigned to this part is 6110013685501, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ERS 1531 NO. 005.