Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B5310-22 found under Cushion Shipping And Storage Con by Hardigg Industries Inc. The National Stock Number assigned to this part is 8135011811252, and the Federal Supply Class is 8135 Packaging And Packing Bulk Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B5310-22.