Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 317H99 found under Spring by Morris Material Handling Inc. The National Stock Number assigned to this part is 3950000121750, and the Federal Supply Class is 3950 Winches Hoists Cranes And Derricks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 317H99.