Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T18 4 8 8SPEC BORESZ 1248+0005 found under Slip Clutch Coupling by Roller Bearing Co Of America. The National Stock Number assigned to this part is 3010012955094, and the Federal Supply Class is 3010 Torque Converters And Speed Changers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like T18 4 8 8SPEC BORESZ 1248+0005.