Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H4342 found under Bearing Washer Thrust by 0Mcc Inc. The National Stock Number assigned to this part is 3120006210860, 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 H4342.