Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A4799H2019 found under Shaft Sluing by Ohio Industries Inc. The National Stock Number assigned to this part is 3040009830590, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A4799H2019.