Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S4136 found under Box Folding by Uline Inc. The National Stock Number assigned to this part is 8115015492315, and the Federal Supply Class is 8115 Boxes Cartons And Crates. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S4136.