Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KB747-001-48 found under Cushion Upper Shipp by Flextron Industries Inc. The National Stock Number assigned to this part is 8145010445134, and the Federal Supply Class is 8145 Specialized Shipping And Storage Containers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KB747-001-48.