Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WT-042891 found under Plate Setting Valve by Eaton Aeroquip Inc. The National Stock Number assigned to this part is 4820011907064, 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 WT-042891.