Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 621115 found under Plate Clutch by Aerocontrolex Group Inc. The National Stock Number assigned to this part is 1680008580670, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 621115.