Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6E0733 found under Valve Special by Caterpillar Inc. The National Stock Number assigned to this part is 4820014611239, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6E0733.