Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H525F001 ITEM 28 found under Gear Spur by Jered Llc. The National Stock Number assigned to this part is 3020012488893, and the Federal Supply Class is 3020 Gear Pulley Sprocket And Transmission Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like H525F001 ITEM 28.