Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 338 122 201 found under Gasket Gear Box by Dresser Rand Co. The National Stock Number assigned to this part is 5330009634300, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 338 122 201.