Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0311-860740 found under Ratchet Wheel by Aero Industries Inc. The National Stock Number assigned to this part is 3020014463785, 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 0311-860740.