Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A77-7-5REVD found under Gear Spur by Allard Nazarian Group Inc. The National Stock Number assigned to this part is 3020007865592, 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 A77-7-5REVD.