Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W9-00-0401-0608 found under Window Observation by Parker Hannifin Corporation. The National Stock Number assigned to this part is 9330001868569, and the Federal Supply Class is 9330 Plastics Fabricated Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like W9-00-0401-0608.