Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 140-1944-000 found under Plate Retaining Bearing by Mechanical Equipment Company Inc. The National Stock Number assigned to this part is 3110012300078, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 140-1944-000.