Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F5543244 found under Bearing Washer Thru by Funk Mfg Co. The National Stock Number assigned to this part is 3120012963652, 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 F5543244.