Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8540701014 found under Gearshaft Spur by Kollsman Inc. The National Stock Number assigned to this part is 3040000910213, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8540701014.