Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17761 5040 1 found under Coupling Torque Lim by Drs Laurel Technologies. The National Stock Number assigned to this part is 3010015309467, 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 17761 5040 1.