Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G18390 PIECE 33 found under Housing Centrifugal Fan by Stafford Machinery Corp. The National Stock Number assigned to this part is 4140013159151, and the Federal Supply Class is 4140 Fans Air Circulators And Blower Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like G18390 PIECE 33.