Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 142998 found under Shaft Highspeed by Rexnord Llc Div Falk Gear Group. The National Stock Number assigned to this part is 3010000362997, 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 142998.