Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 300DH-192544 ITEM 21 found under Gear Low Speed by Footejones Illinois Gear Co Div. The National Stock Number assigned to this part is 3020012359784, 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 300DH-192544 ITEM 21.