Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11H CODE 4 found under Gear Internal by Winsmith Div Umc Industries Inc. The National Stock Number assigned to this part is 3020013039268, 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 11H CODE 4.