Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 161605-2 found under Bushing Sleeve by F P A Manufacturing. The National Stock Number assigned to this part is 3120012181290, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 161605-2.