Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W2F23779-3 found under Bearing Washer Thrust by Esta Products Co. The National Stock Number assigned to this part is 3120009113780, 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 W2F23779-3.