Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G18473 found under Housing Oil Seal by Messier Dowty. The National Stock Number assigned to this part is 1680997152062, 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 G18473.