Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PR30H4-5-2 found under Jack Assembly Reduc by Yale Industrial Products Inc. The National Stock Number assigned to this part is 2010010299382, and the Federal Supply Class is 2010 Ship And Boat Propulsion Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PR30H4-5-2.