Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HS500 found under Shim Barrel Suprt by Hamilton Sundstrand Corporation. The National Stock Number assigned to this part is 1610002146545, and the Federal Supply Class is 1610 Aircraft Propellers And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HS500.