Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MOD 26DB RATIO 50 TO 1 found under Gear Assembly Speed by Winsmith Div Umc Industries Inc. The National Stock Number assigned to this part is 3010013393649, and the Federal Supply Class is 3010 Torque Converters And Speed Changers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MOD 26DB RATIO 50 TO 1.