Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WVTB-70-1-80MM PN3 found under Bearing Sleeve by World Valve B V. The National Stock Number assigned to this part is 3120014278326, 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 WVTB-70-1-80MM PN3.