Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P3SHX found under Ladder Safety Step by Ballymore Company. The National Stock Number assigned to this part is 5440000716846, and the Federal Supply Class is 5440 Scaffolding Equipment And Concrete Forms. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like P3SHX.