Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S5258 found under Truck Hand Shelf by Tab Products Co. The National Stock Number assigned to this part is 3920009881003, and the Federal Supply Class is 3920 Material Handling Equipment Nonself-Propelled. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S5258.