Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 14-51100-1 found under Gearbox Assembly Aircraft by Advance Gear And Machine Corp. The National Stock Number assigned to this part is 1680001398020, 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 14-51100-1.