Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 82A5050A0137 found under Bearing Sleeve by Marine Corps. The National Stock Number assigned to this part is 3120002879500, 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 82A5050A0137.