Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40-8020 found under Pad Cushioning by Parker Hannifin Corporation. The National Stock Number assigned to this part is 8320004197624, and the Federal Supply Class is 8320 Padding And Stuffing Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 40-8020.