Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A472 found under Block Mounting Actu by Simmonds Precision Products Inc. The National Stock Number assigned to this part is 1680001353256, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A472.